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TRUSTED BY SUWANEE, GA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.1k+
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Suwanee - Updated Nov 2026

Avatar for Premier HVAC Mechanical Corporation
Premier HVAC Mechanical Corporation
4.7(
44
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Install or Replace+3 more

Serving Suwanee, GA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"My 28-year old Air Conditioner failed on one of the hottest days of the year and the full HVAC system needed to be replaced. I called three companies to get the best price under the conditions. After evaluating the my choices I chose Premier HVAC Mechanical. I am pleased that they were able to replace my system with upgrades within a handful of business days. I asked several questions in the process and they were kind enough explain everything in terms I could understand. Overall, it was a really good experience and I plan to work with them again in the future."
Response time9 hrs
10 neighbors recently requested a quote
Recommended by97%of homeowners
All Seasons Heating and Air
4.8(
97
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceGas Furnace / Forced Air Heating System - Repair+5 more

Serving Suwanee, GA and surrounding areas

Approved

Super Service Award Winner

In business since 1978

Free estimates

Credit card accepted

"Bobby came out and installed a complete Trane system and even relocated the furnace and A/C compressor to a more sensible location. The installation crew was polite, professional and efficient. The new heating and air system works flawlessly. Best service I have ever gotten from a HVAC company ever!"
Response time8 hrs
Response rate88%
4 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

Yes, a frozen AC unit can affect your indoor air quality since the reduced airflow won't be as effective at removing air pollutants, like dust and other allergens. Additionally, ice around the unit can create excess moisture, leading to mold and mildew that can damage your home if you don’t catch it early.

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

Yes, it’s best to turn off an AC unit that’s blowing hot air to prevent system damage and avoid expensive energy bills. If you let the AC continue running, it will put more strain on the condenser coil and compressor. Plus, if the AC is blowing hot air because of a refrigerant leak, it can also lead to a frozen evaporator coil.

You need to know the square footage of your home first. Multiply that number by 20, which will get you the BTUs (British Thermal Units) needed to cool your home efficiently. Homes up to 1,000 square feet usually need a 1.5-ton unit; homes 1,000 to 1,200 square feet usually need a 1.75-ton unit, and homes 1,200 to 1,400 square feet usually need a 1.9-ton unit. Talk to a local pro for more specific advice on your home. 

While you’ll pay more upfront for a brand-new HVAC unit, you can save money in the long run. Here’s how to save on your new HVAC system:

  • When purchasing a high-efficiency system, your energy bills will be lower in the future.

  • You may be eligible for special offers from your local energy company.

  • Depending on the system, you may be eligible for HVAC rebates and tax credits.

  • Choose to replace your air conditioning unit and furnace simultaneously to save on labor and installation costs. 

The Suwanee, GA homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.