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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon69
    Verified heating and air conditioning services reviews

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

Integrity Furnace & Duct Cleaning
4.9(
158
)
Air Ducts & Vents - Clean

Serving Annandale, MN and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"We were very impressed with Mike and his team. They were prompt, communicative and professional. We had not had our ducts cleaned for a considerable time and it showed! Integrity took before and after pictures to show their work and they did a phenomenal job. They also gave us pointers for things to watch for. We will definitely be using them again in the future and make this a part of our regular annual routine."
Response time2 days
Response rate100%
Recommended by95%of homeowners
Avatar for B & D Plumbing, Heating & A/C
B & D Plumbing, Heating & A/C
4.8(
161
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair+47 more

Serving Annandale, MN and surrounding areas

Approved

In business since 1982

Emergency services offered

Credit card accepted

"I thought the plumber would have the fairly standard unit I needed. He didn't, so to get it fixed I went to Home Depot and bought a good replacement while plumber removed the old unit. That worked well and he said I saved a couple of hundred so, good. I haven't paid yet, because he needs to get new seats for the old bathroom sink faucet that has a very slow leak. Need to finish that part or just call it a project and take care of the bathroom later."
Newly installed Lennox air conditioning unit.
Home without any duct work.
Newly installed Lennox furance.
Rough-In: Furnace & Air Conditioning
Broken furnace.

+79

19 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Prolific Mechanical
Prolific Mechanical
5.0(
7
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+20 more

Serving Annandale, MN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Thomas and the team at Prolific Mechanical did an outstanding job installing our new boiler. They were professional, knowledgeable, and paid close attention to every detail. The installation was clean, completed on time, and everything has been working flawlessly. I highly recommend Prolific Mechanical to anyone looking for honest, high-quality HVAC work."
Avatar for DJ's Home Services
DJ's Home Services
4.5(
103
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service+9 more

Serving Annandale, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1971

Emergency services offered

Warranties offered

"We met serviceman Alex L. from DJ's today. He worked as long as it was necessary to diagnose and fix issues with our furnace humidifier. It needed several adjustments. He worked very diligently and the price was reasonable (especially by today's standards for pricing). We would definitely hire DJs again for other HVAC and plumbing work. We also appreciated the company's thoroughness in providing reminder calls and other contact on the day of service to ensure we met Alex at our home at the right time. This shows an emphasis on customer service that we appreciate. Both Charlotte and Karen were very helpful to us on the phone today as well."
DJs Air Conditioner
DJs Furnance
DJs Boiler Repair
DJs Drains
DJs Electrical Panel

+40

Response time1 day
Response rate97%
19 neighbors recently requested a quote
Avatar for Randy's Electric & Plumbing
Randy's Electric & Plumbing
4.5(
401
)
Electrical Baseboard or Wall Heater - Repair

Serving Annandale, MN and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Emergency services offered

Warranties offered

"Every technician needs knowledge and the right tools; Chris from Randy’s Electric had both. He quickly diagnosed the problem and repaired a faulty connection amidst a daisy chain of electrical connections that had rendered several outlets inoperable. I recommend this company."
Team Work Makes the Dream Work
We Listen
Kitchen Lighting
Out with the OLD in with the NEW!
Full Trucks

+5

Response time8 hrs
1137 neighbors recently requested a quote
Recommended by84%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

A home AC unit provides anywhere from one-half to five tons of cooling and requires approximately two to four pounds of refrigerant per ton of cooling. At approximately five to 10 minutes to fill one pound of refrigerant, a home that requires three tons of cooling will take about six to 12 pounds of refrigerant and approximately 30 minutes to two hours to completely recharge the unit.

During the summer, it’s best to set your AC to 78 degrees when you’re home and awake, according to the Department of Energy (DOE). For better energy efficiency, raise the temperature slightly to 85 degrees while you’re out of the house. The National Sleep Foundation advises lowering your thermostat to between 60 and 67 degrees when you’re asleep.

If you’re looking for a portable, budget-friendly cooling solution that doesn’t require any venting or installation, a ventless AC system is a good option. Similarly, this is a great choice if you’re renting an apartment or home and aren’t allowed to make large, structural changes like installing comprehensive HVAC, or you’re in a shared space and only need to cool your own room.

You should plan to change your AC unit's filter every one to three months, depending on the manufacturer's recommendations. You should also clean the coils at least once per year, but if you have pets or someone in your household has allergies, you might need to clean them more often. Fortunately, many pros will clean the coils and change the filter for you during an inspection, which you should schedule once or twice per year.

Yes, through thorough cleaning and inspection, optimizing functionality, and reducing energy use.

The Annandale, MN 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.