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Best heating and air conditioning pros near Ferndale, WA

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TRUSTED BY FERNDALE, WA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon292
    Verified heating and air conditioning services reviews

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

Avatar for Four Seasons Heating and Cooling, LLC
Four Seasons Heating and Cooling, LLC
4.7(
69
)
Gas Furnace / Forced Air Heating System - RepairCentral A/C - Service or RepairHeat Pump - Repair or Service

Serving Ferndale, WA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"This is a small company that caters to keeping families warm. He came out the following morning (the morning after I put in the request with Home Advisor!), was able to complete the repairs quickly, ensuring that I had heat without the wait of other companies! Thank you!"
Response time10 hrs
5 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for West Mechanical, Inc.
West Mechanical, Inc.
4.3(
120
)
Gas Furnace / Forced Air Heating System - InstallHeat Pump - Install or ReplaceCentral A/C - Install+14 more

Serving Ferndale, WA and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"Hired West Mechanical to install a bathroom exhaust fan and light fixtures. Exhaust fan was left with duct disconnected and wiring exposed. Called Customer Service multiple times over 3-week period to get an estimate to reconnect the duct and address the wiring, still unresolved with open permit. UPDATE: I received a call from one of the company owners when he was made aware of the issue. He apologized for what I experienced and said it was very atypical for the company. He arranged to have an electrician complete the work the next day. The work included installation of a new duct transition that was not in the original scope, which was done at no charge. West Mechanical also sent a Supervisor the day after the work was completed to verify that the work was done to my satisfaction. Although I was unsatisfied earlier, I recognize that not every job will go as planned and I have been very impressed by how West Mechanical has responded. I would not hesitate to use them in the future."
Project
Project
Project
Project
Project

+5

Response time1 day
85 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Tekton Northwest LLC
Tekton Northwest LLC
5.0(
3
)
Ductless Mini-split A/C - Install or Replace

Serving Ferndale, WA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"The Tekton team takes time to understand and recommend the right solution. Their timeliness and cost are good and fair. I have hired them 4 times now, and the work has been spot on everytime."
My jobs
My jobs
My jobs
My jobs
My jobs

+6

Response time8 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for NORTHWEST HOME REPAIR SOLUTIONS L.L.C.
NORTHWEST HOME REPAIR SOLUTIONS L.L.C.
4.1(
9
)
Thermostat - Install or Replace

Serving Ferndale, WA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Northwest Home Repair responded immediately when contacted about a water leak that I couldn't locate, but could hear. Two technicians worked to finally locate the leak (unfortunately it was in the crawl space under my house) and a third plumber made the repair. I was informed up front of all costs. The repair was completed within 5-6 hours of my call even though the responding plumbers were almost 60 miles from my location on Whidbey Island. I HIGHLY recommend Northwest Home Repair Solutions...they are five star professionals! Kit McCartney"
Before and after
before and after
Shed Installation
Shed Installation
Shed Installation

+26

6 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

Yes, a dirty evaporator coil can freeze up. Dirty evaporator coils can’t absorb or transfer heat properly. The dirt and grime restrict airflow, which is needed to move heat throughout the system properly. Your air conditioning unit could freeze over, or it can cause your heat pump to freeze.

A non-maintained AC is more likely to perform poorly, increase your energy bills, and undergo more severe issues like breakage and water damage. That’s why DIY cleaning or professional maintenance is recommended annually. Otherwise, you might end up paying more in the end than you would for annual service. You can purchase cheap AC cleaning kits if you prefer going the DIY route.

No, for two very important reasons. First, it’s illegal to release refrigerant into the air or ground since it can be toxic and cause environmental damage. Technicians typically pump old or extra refrigerant into separate tanks for special disposal. Second, without professional equipment to read refrigerant pressure and levels, plus the AC’s suggested requirements, it’s impossible to know if you’ve removed the right amount of refrigerant. Stay away from a DIY solution here and seek an expert with the right tools.

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. Getting a whole-house dehumidifier can help you save money on energy bills. How? Your home automatically feels cooler when there’s less humidity in the air (“It’s the humidity that gets ya!” is such a true statement). This means that you won’t need to run your AC as much as you would if you had all that extra humidity in your home.

The Ferndale, WA 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.