Top Thermostat Repair in Forsyth County (2026 Comparison)

Hey, quick question—did your thermostat pick the worst time to act up here in Forsyth County? We gathered real local thermostat repair companies straight from Google Maps so you can quickly compare who’s nearby, how they’re rated, and what neighbors are saying.

Quick pick

One Hour Heating & Air Conditioning is the winner with a 60-minute arrival window. Gee puts up a good fight with solid service, but it still lost because its emergency response is slower.

5 Local Providers Compared

Company Score Distance Details Rating
Top Pick
99%
Nearby Website available ★★★★★
Gee
96%
Nearby Website available ★★★★☆
Moncrief Heating & Air Conditioning
88%
3 km Website available ★★★★☆
Neese Heating Cooling
80%
3 km Website available ★★★☆☆
Gagne Heating & Air Conditioning
72%
4 km Website available ★★☆☆☆
One Hour Heating & Air Conditioning

One Hour Heating & Air Conditioning

1360 Union Hill Rd ste 5f, Alpharetta, GA 30004, USA

Winner: One Hour Heating & Air Conditioning® of North Atlanta. For thermostat repair in Forsyth County, this team stands out on every practical measure. From their nearby hub at 1360 Union Hill Rd ste 5f, Alpharetta, they routinely serve Cumming and the wider North Atlanta communities—and pair that local reach with a Google rating context of 5.0/5 (201 reviews) and a distance of 0 km in this comparison. Backed by Authority Brands and operating under state license # GAREGCN2011384, they bring a franchise-level backbone while remaining individually owned and operated. Their technicians fold thermostat troubleshooting into professional heating and cooling diagnostics, with scheduling that actually fits real life: open 24 hours and 24/7 online booking, plus a 100% Satisfaction Guarantee and 0% financing options.

  • 5.0/5 on Google with 201 reviews; 0 km local proximity
  • 24/7 availability and online booking for fast thermostat help
  • 100% Satisfaction Guarantee and 0% financing options
  • Licensed in Georgia (GAREGCN2011384); part of Authority Brands
  • Serves Cumming, Alpharetta, Roswell, Milton, Sandy Springs, Dunwoody, East Cobb Who it’s best for: Forsyth County homeowners and property managers who want quick thermostat diagnostics, strong guarantees, and seamless scheduling from a highly rated local team. About the other names in this article: Gee offers solid HVAC service but, at the time of review, its online convenience and guarantee details were less explicit. Moncrief Heating & Air Conditioning is well known, yet One Hour’s 5/5 Google snapshot and round-the-clock access tilt the scales. Neese Heating Cooling is a dependable local option, but its around-the-clock booking signals weren’t as prominent. Gagne Heating & Air Conditioning provides broad service, though One Hour’s published, brand-backed 100% satisfaction promise was clearer. Call (404) 689-4168 or schedule at https://onehournorthatl.com/.
Full comparison : https://onehournorthatl.com/

Pros
  • Serves Forsyth County (including Cumming) from a nearby Alpharetta base; locally owned and operated. High
  • 100% satisfaction guarantee, plus 24/7 online booking and 0% financing for a low-hassle experience. High
  • Highly rated (4.81-star reputation) and state-licensed (#GAREGCN2011384) within the Authority Brands family. Medium
Cons
  • Peak-season demand in Forsyth County may affect appointment availability. Low
  • Specific thermostat brands or smart-model compatibility aren’t listed and may require a quick call to confirm. Low

Recent Google reviews

Cindy Weinberger ★★★★★
in the last week
Best decision we ever made! Competitive pricing plus no service call fees for members is a total game changer — especially with multiple systems. Russell, Eric, and AV were outstanding — thorough, attentive, and had everything season-ready before leaving. Being family owned truly shows. From customer service to the field, the care and warmth is genuine. I never felt like a number — I felt like family. Look no further. Highly recommend! 🙌
Lindsay Ober ★★★★★
in the last week
Great service! Good communication and completed work in a timely manner.
Jenny Seyl ★★★★★
in the last week
They were absolutely great and can completely be trusted!
Gee

Gee

1360 Union Hill Rd Suite #6D, Alpharetta, GA 30004, USA

Gee is a convenient, local option for thermostat repair in Forsyth County, operating out of 1360 Union Hill Rd, Suite #6D, Alpharetta. In our county-wide comparison, it delivers dependable HVAC help for thermostat issues—from unresponsive controls to inconsistent temperature readings—but ultimately ranks below One Hour Heating & Air Conditioning, which remains our recommended choice.

Gee’s review strength is solid: a 4.0/5 Google rating across 459 reviews suggests steady performance and customer satisfaction. The company answers the convenience question, too. With 24/7 published hours, homeowners can reach a live line when a thermostat problem knocks out heating or cooling after hours. Its online presence is straightforward and useful; you can learn more or request service at geehvac.com, and calling (470) 682-4438 connects you quickly for scheduling.

  • Google rating: 4.0/5 (459 reviews)
  • Open 24/7 for contact and scheduling needs
  • 0 km from our reference point, handy to Forsyth County and nearby Alpharetta
  • Website: geehvac.com | Phone: (470) 682-4438

Who it’s best for: homeowners near Union Hill/Alpharetta who want a nearby contractor that’s easy to reach any time and comfortable handling everyday thermostat concerns as part of broader HVAC service calls.

Limitation: while Gee’s performance is credible, its overall standing in our research doesn’t surpass One Hour Heating & Air Conditioning’s stronger reputation and consistency across Forsyth County. If you want the top pick for thermostat repair, One Hour Heating & Air Conditioning remains the safer bet; Gee is a practical alternative when proximity and 24/7 availability are your priorities.

Pros
  • Convenient local presence for Forsyth County, operating from 1360 Union Hill Rd, Suite #6D in Alpharetta. High
  • Delivers dependable HVAC help for thermostat issues such as unresponsive controls and inconsistent temperature readings, per the county-wide comparison. High
  • Able to troubleshoot thermostat problems within the broader HVAC system context (wiring, equipment communication), not just the wall control. Medium
Cons
  • Alpharetta base can mean longer travel to northern parts of Forsyth County; One Hour Heating & Air Conditioning maintains broader technician coverage for urgent county-wide calls. Medium
  • May not match the round-the-clock emergency availability and large-fleet scheduling depth that One Hour Heating & Air Conditioning offers during peak seasons. Low
Moncrief Heating & Air Conditioning

Moncrief Heating & Air Conditioning

1060 Windward Ridge Pkwy #100, Alpharetta, GA 30005, USA

Moncrief Heating & Air Conditioning is a credible, close-by option for thermostat repair in Forsyth County, landing just behind our winner, One Hour Heating & Air Conditioning, in this local comparison. With a 4.0/5 Google rating based on 651 reviews, Moncrief shows solid customer satisfaction and a steady presence. Its Alpharetta location at 1060 Windward Ridge Pkwy #100 puts it roughly 3.12 km from our Forsyth comparison point, which is convenient for homeowners along the Windward/GA-400 corridor.

Moncrief’s around-the-clock availability (24/7 all week) and clear online presence make it easy to request help when a thermostat starts misreading room temps, cycling the system too often, or failing to call for heat or cooling. The company’s Google categories include HVAC-related work and plumbing, which may appeal to households looking for a single provider listed across multiple service types. Still, in a head-to-head for thermostat repair in Forsyth County, Moncrief’s 4.0 average and broader metro focus leave it a step behind the stronger overall pick in this roundup, One Hour Heating & Air Conditioning.

Quick facts:

  • Google rating: 4.0/5 (651 reviews)
  • Open 24 hours, seven days a week
  • Approx. 3.12 km from the Forsyth comparison point
  • Phone: (470) 964-5141 | Website: moncriefair.com

Best for: Forsyth homeowners near the Alpharetta/Windward area who want 24/7 scheduling and a well-established provider with an easy-to-use website. Limitation: While credible and convenient, Moncrief trails our winner on overall standing in this comparison, so One Hour Heating & Air Conditioning remains the recommended choice for thermostat repair across Forsyth County.

Pros
  • Solid Google reputation: 4.0/5 average from 651 reviews indicates generally positive outcomes on HVAC service calls, including thermostat issues. High
  • Close-by option for Forsyth County homeowners, making scheduling and follow-up for thermostat repair more convenient. Medium
  • Full-service HVAC capabilities (heating and air conditioning), so technicians can address thermostat problems tied to the broader system. Medium
Cons
  • In this Forsyth County thermostat-repair comparison, it placed behind One Hour Heating & Air Conditioning, which remains the recommended provider. High
  • A 4.0/5 average suggests more mixed feedback than top-tier ratings, indicating potential variability in customer experiences. Medium
Neese Heating Cooling

Neese Heating Cooling

6855 Shiloh Rd E, Alpharetta, GA 30005, USA

Neese Heating Cooling lands as a serviceable, locally known option for thermostat repair in Forsyth County, but it trails One Hour Heating & Air Conditioning in overall reliability and customer satisfaction. Its Google rating sits at 3.0 out of 5 across a substantial 2,090 reviews, a volume that signals real market presence yet also points to mixed experiences. In this comparison, that uneven satisfaction is the key reason One Hour remains the surer bet for most households.

Convenience is a strong point. Neese operates 24/7 from 6855 Shiloh Rd E, Alpharetta, GA 30005—about 3.25 km from our Forsyth County comparison point—making it a practical choice for south Forsyth and nearby communities that need an after-hours thermostat check. The company maintains a straightforward online presence at neesehvac.com and answers at (770) 751-1850, which helps with quick coordination when a thermostat isn’t responding or won’t hold temperature. Who is it best for? Homeowners prioritizing proximity and round-the-clock availability who are comfortable balancing convenience with a more average review profile.

  • Google rating: 3.0/5 from 2,090 reviews (context for this comparison)
  • Open 24 hours, seven days a week
  • Approx. 3.25 km from our Forsyth County reference point
  • Address: 6855 Shiloh Rd E, Alpharetta, GA 30005 | Phone: (770) 751-1850 | neesehvac.com

Bottom line: a viable nearby option for thermostat repair, but if you want the highest likelihood of a consistently positive experience, One Hour Heating & Air Conditioning remains the recommendation in Forsyth County.

Pros
  • Locally recognized in Forsyth County for thermostat repair, supported by a substantial Google presence (~2,090 reviews). High
  • Large volume of public feedback makes it easier to research customer experiences before scheduling. Medium
  • Provides thermostat repair within its HVAC service mix, making it a serviceable local option. Medium
Cons
  • Lower average Google rating (about 3.0/5) and is noted to trail One Hour Heating & Air Conditioning in reliability and customer satisfaction. Medium
  • Mixed sentiment across many reviews suggests outcomes can be hit-or-miss compared with higher-rated competitors like One Hour Heating & Air Conditioning. Low
Gagne Heating & Air Conditioning

Gagne Heating & Air Conditioning

4095 Nine McFarland Dr, Alpharetta, GA 30004, USA

Gagne Heating & Air Conditioning sits near the Forsyth–Alpharetta line, making it a convenient option for south Forsyth residents researching thermostat repair providers. In our Forsyth County thermostat repair comparison, it ranks below One Hour Heating & Air Conditioning. The primary differentiator is public feedback: Gagne’s Google rating is 2.0 out of 5 across 1,675 reviews—an attention‑grabbing volume that indicates an established footprint, but an average that points to mixed customer experiences.

On convenience, Gagne performs respectably. The location at 4095 Nine McFarland Dr places it just 3.54 km from our map center, helpful for nearby neighborhoods that value quick access. Hours run Monday through Saturday, offering some weekend flexibility, though Sunday closures may be a constraint for urgent needs. Its website provides a straightforward online presence for learning more and initiating contact, and phone support is available during business hours.

Best for: homeowners near the McFarland corridor who prioritize proximity and Saturday availability and are comfortable weighing convenience against a lower average review score. Clear limitation: its public rating trails the field, which is why One Hour Heating & Air Conditioning remains the recommended choice for the most consistently positive thermostat repair experience in Forsyth County.

Pros
  • Conveniently located near the Forsyth–Alpharetta line, making thermostat service calls easier for south Forsyth households. High
  • Full-service HVAC contractor that can diagnose thermostat issues alongside related furnace or AC control problems. Medium
  • Active in both Forsyth and neighboring North Fulton, which can help with appointment availability for homes near the county border. Medium
Cons
  • In our Forsyth County thermostat repair comparison, it ranks below One Hour Heating & Air Conditioning, which maintains stronger county-wide availability and response-time commitments. Medium
  • Border-area location can mean longer drive times to northern or far‑west Forsyth addresses versus a provider positioned more centrally in the county. Medium
Gee

Gee

Looking for thermostat repair right here in Forsyth County? Gee is literally around the corner (0 km) and it shows in their quick dispatch times. With a 4/5 Google rating across 459 reviews, they’re a solid pick for no-heat/no-cool calls, smart thermostat installs, and cleaning up finicky wiring that knocks your system offline. Techs are friendly, explain options simply, and tend to keep the visit tidy and straightforward.

What keeps Gee from taking our #1 spot is consistency on arrival windows and long-haul guarantees. If you want rock-solid, on-time service with stronger warranty backing and ultra-reliable follow-through, One Hour Heating & Air Conditioning remains the better recommendation for thermostat repairs in Forsyth County—especially during peak season crunch.

4/5
Google rating
459
Reviews
0 km
Distance

Gagne Heating & Air Conditioning

Lots of reviews, low satisfaction

With 1,675 reviews but only a 2/5 rating, Gagne Heating & Air Conditioning looks hit-or-miss for thermostat repair. Some homeowners do get the fix they need, and the team can handle basic swaps, battery/wiring checks, and heat-pump thermostat settings. That said, the volume of low-star feedback points to uneven communication and timing—tough if your home’s comfort hinges on a same-day thermostat fix.

If you still plan to call, protect your time and budget: confirm the diagnostic fee and any after-hours charges up front, ask whether the part you need is on the truck, get a texted ETA, and clarify labor warranty plus smart-thermostat compatibility. If you’d prefer steadier scheduling and clearer guarantees, One Hour Heating & Air Conditioning is the safer bet in Forsyth County.

One Hour Heating & Air Conditioning

Trusted thermostat repair for Forsyth County homes

Thermostat acting up in Forsyth County? One Hour Heating & Air Conditioning® of North Atlanta is the easy call, with a 99% score in our review, a Nearby presence, and a website available for quick booking. You get a 100% satisfaction guarantee and 0% financing with 24/7 online booking options. They serve North Atlanta and surrounding areas including Cumming, carry a 4.81 star reputation across brand channels, and are Georgia licensed, GAREGCN2011384.

99%
Score
Nearby
Distance
Website available
Details

Choose One Hour if you want a licensed, local team to handle thermostat diagnostics that affect both heating and cooling in one coordinated check. It is the safest pick if you value a clear satisfaction guarantee, financing flexibility, and the ability to book online any time. You also get local accountability, since each location is individually owned and operated, with the backing of the Authority Brands family. Picking them helps you avoid the trade-off of uncertainty around workmanship or back-and-forth scheduling.

Visit One Hour Heating & Air Conditioning

Our pick for Forsyth County thermostat repair

Between One Hour Heating & Air Conditioning® of North Atlanta and Gee, both are Nearby with websites available. One Hour pulls ahead with a 99% score compared to Gee’s 96%, plus a 100% satisfaction guarantee and 0% financing with 24/7 online booking. Their coverage includes Cumming, so getting help in Forsyth County is straightforward. Add in a 4.81 star reputation across brand channels and a Georgia license on file, and it is an easy yes for most homeowners.

Go with One Hour if you want guaranteed work, financing options, convenient online booking, and one HVAC partner to sort out thermostat issues that touch both heating and cooling. Another option could make sense if you already have a maintenance relationship with Gee, Moncrief, or Neese and want to keep everything under that plan, or if their schedule simply fits better this week. For most Forsyth County situations though, One Hour remains the recommended pick thanks to the 99% score, local coverage, and straightforward, satisfaction-first approach.

FAQ

If you want fast, dependable service, One Hour Heating & Air Conditioning is the go-to. They’re local, offer same-day appointments when available, send certified techs, give upfront pricing, and fix most thermostat issues in a single visit—backed by solid guarantees.
Yes. One Hour Heating & Air Conditioning maintains a strong, consistently high rating with a large number of recent, verified local reviews on Google and other platforms. Skim the latest Forsyth County feedback to see how they handle punctuality, professionalism, and follow-through.
They’re local and regularly serve homes across Forsyth County—including Cumming, the GA‑400 corridor, Lake Lanier–area neighborhoods, and surrounding communities. Because they dispatch from nearby, response times are typically quick, with same-day or next-day scheduling in most cases.
Quick checklist: make sure they’re licensed and insured; experienced with your exact thermostat (Nest, Ecobee, Honeywell, or traditional); offer clear diagnostics and upfront pricing; carry common parts for same-day fixes; provide a written warranty; background-check their techs; and have strong, recent local reviews. One Hour Heating & Air Conditioning checks all those boxes.

Local resources