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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

Verified Reviews for Heating And Air Conditioning Service pros in Ferndale, WA

*The Angi rating for Heating And Air Conditioning Service companies in Ferndale, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Ferndale, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on January 07, 2026

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

Avatar for Air Plus
Air Plus
4.6(
51
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - Install - For BusinessElectric Furnace / Forced Air Heating System - Repair+14 more

Serving Ferndale, WA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Milo, the HVAC technician who serviced our Furnace and cleaned and serviced our gas fireplace, was extremely professional, personable, on time and did and outstanding job. The price was reasonable as well. Great job, Air Plus! Milo is truly a professional."
Keep your furnace tip top
Electrical/motor, and components inspection
Dirty burner
Clean burner
Clogged filter

+19

Response time1 day
Recommended by80%of homeowners
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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

"He tried the easy and inexpensive repair first and it worked. He also gave me estimates for more extensive repairs should the future require."
Response time10 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
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Avatar for West Mechanical, Inc.
West Mechanical, Inc.
4.3(
120
)
Gas Furnace / Forced Air Heating System - InstallHeat Pump - Install or ReplaceDuctless Mini-split A/C - Install or Replace+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
81 neighbors recently requested a quote
Recommended by89%of homeowners
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Avatar for A Plus Heating & A/C, LLC
A Plus Heating & A/C, LLC
4.7(
3
)
Central A/C - InstallCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Install+9 more

Serving Ferndale, WA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"they were easy to talk to. and they listen."
Heat-pump and air handler
return
Gas furnace
Return duct
Old Gas furnace

+3

Recommended by66%of homeowners
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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%
4 neighbors recently requested a quote
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Lazer Construction LLC
4.6(
10
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Ferndale, WA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Mike was great to work with! I didn't know exactly what I wanted or needed. Mike made the process super easy and pointed out things with solutions to issues I didn't know I had. Everything was coordinated from start to finish by Lazer and turned out amazing! Trust that Lazer will make sure things are done and done right!"
Remodeling - Kitchen & Bathroom Project
Remodeling - General Project
Sewer main line repair light landscaping and 2 homes re roofed
Drain Pipe Installation - Exterior Project
Roofing Project

+44

Response time1 day
Response rate100%
Recommended by100%of homeowners
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Avatar for CPI Plumbing, Heating & Cooling
CPI Plumbing, Heating & Cooling
5.0(
1
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+2 more

Serving Ferndale, WA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Very friendly and helpful Showed steps taken to complete job Showed photos of reading."
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for J and L Mechanical
J and L Mechanical
5.0(
9
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving Ferndale, WA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Justin did an amazing job clearing out an outdated bulky system and installed a new clean very organized set-up. I am very happy with my new heat pump and would recommend J&L to all my friends and family."
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Additional Photos

+3

Recommended by100%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Capacitors are the most frequent part of an HVAC system to experience failure. These components are crucial for starting the motors that power the fans and compressor, but over time, they may become worn or fail due to electrical surges or regular wear and tear. When capacitors malfunction, HVAC systems may experience decreased heating or cooling efficiency, or even total system failure. Replacement or maintenance of capacitors is a common requirement for the optimal functioning of HVAC systems.

Water buildup in your HVAC system is a cause for alarm. If water accumulates in your ductwork, it can drastically lower your home's air quality and create safety hazards. These risks include mold growth, damage to your HVAC system, and attracting pests that are seeking water into your ducts. Proper insulation and sealing of ducts can prevent this, and regular inspection and maintenance can address water damage problems before they become too severe.

No. Evaporator coils are designed to work with specific refrigerant types, and they are rated by what kinds of refrigerant they use. It’s indicated with an “R” code. It’s important to match your evaporator coil and refrigerant or your system will not work properly. An AC technician can tell you what type of refrigerant your system needs and what evaporator coils will work with it.

While spending money once or twice a year to tuneup your AC and furnace might seem like a waste of money, think again. The cost of HVAC maintenance is far less than the cost of replacing your furnace or AC unit, regardless of the type of HVAC system you have. Paying this smaller fee now will help you avoid paying much more significant costs in the future. Not to mention, having a serviced AC and heating system will help keep your home comfortable, no matter the season. 

Yes. Your air supply should be balanced. The return and supply ducts need to maintain that balance, and this only occurs because an equal amount of air should be entering and leaving your HVAC system. Changes in pressure, extreme weather, and blocking vents with furniture or your stuff can make the air supply unbalanced and cause your home to get too cold or hot.

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.

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