HVAC Repair
Heating & Cooling Repair Services for Bellingham, WA, and all of Whatcom County
Get in touch today!
Years serving Whatcom, Skagit, and Island Counties
Emergency Service when YOU need it most
Homes and Businesses in Whatcom county served
REPAIR
HVAC Repair Done Right
Fast, reliable HVAC repair starts with an accurate diagnosis. Smith Mechanical troubleshoots your heating and cooling system to restore comfort quickly and efficiently.
Fast, Accurate Diagnosis
Our certified HVAC technicians quickly pinpoint the root cause of your heating or cooling issue so you get a reliable repair the first time.
24/7 Emergency HVAC Repair
When your furnace fails on the coldest night or your AC quits in a heat wave, our 24/7 emergency repair team is on call to restore comfort fast.
All Makes & Models Serviced
From furnaces and heat pumps to central AC and ductless mini-splits, we repair every major brand of residential and commercial HVAC equipment.
Licensed, Trusted Technicians
Smith Mechanical's factory-trained, fully insured technicians deliver safe, code-compliant repairs backed by a satisfaction guarantee.
HVAC Repair Technician at Work
HVAC repair in Bellingham, WA and throughout Whatcom County is what Smith Mechanical does best. Our NATE-certified technicians diagnose and fix problems with furnaces, air conditioners, heat pumps, boilers, and ductless mini-split systems — getting your home or business back to comfortable, energy-efficient operation as quickly as possible.
Whether you're dealing with a furnace that won't ignite, an air conditioner blowing warm air, uneven temperatures, strange noises, or a sudden spike in your energy bill, our team has the experience and parts inventory to handle it. We service all major makes and models, and we treat every customer like family.
Our HVAC Repair Services
- Furnace Repair
- Air Conditioner Repair
- Heat Pump Repair
- Boiler Repair
- Ductless Mini-Split Repair
- HVAC Maintenance & Tune-Ups
Signs You Need HVAC Repair
Most heating and cooling systems give warning signs before a complete breakdown. Common red flags include weak or inconsistent airflow, short cycling, unusual odors, grinding or squealing noises, water leaks near the indoor unit, and rising utility costs. Catching these issues early with professional HVAC repair can prevent a total system failure and extend the life of your equipment.
If your system is older than 10–15 years and repair costs are climbing, it may be time to consider furnace installation or a new residential HVAC system. Our technicians will give you an honest assessment of repair vs. replacement so you can make the best decision for your budget and comfort.
Need service for your business? Explore our commercial HVAC and commercial refrigeration solutions. Smith Mechanical proudly serves Whatcom, Skagit, North Snohomish, San Juan, and Island County, WA.
FAQ
HVAC Repair FAQ
How quickly can you come out for HVAC repair?
Smith Mechanical offers same-day and 24/7 emergency HVAC repair throughout Whatcom County. In most cases, we can have a technician at your home or business within a few hours of your call. When you're without heat or cooling, we make you a priority.
How much does HVAC repair cost in Bellingham, WA?
Every HVAC repair is different. Simple fixes like a capacitor or thermostat replacement may be a few hundred dollars, while larger repairs like compressors, blower motors, or heat exchangers cost more. After a full diagnostic, our technicians provide upfront, flat-rate pricing before any work begins — no surprises.
Should I repair or replace my HVAC system?
A good rule of thumb: if the repair costs more than 50% of a new system and your equipment is over 10–15 years old, replacement is often the smarter investment. Our technicians will explain your options honestly, including furnace installation and high-efficiency residential HVAC upgrades, so you can decide what's right for your home.
What are the most common HVAC problems you repair?
The most common HVAC repair issues we see in Whatcom County include dirty or clogged filters, refrigerant leaks, faulty thermostats, failed capacitors or contactors, frozen evaporator coils, blower motor failures, cracked heat exchangers, and drainage line clogs. Regular HVAC maintenance prevents most of these issues before they turn into costly repairs.
Do you offer a warranty on HVAC repairs?
Yes. All HVAC repair work performed by Smith Mechanical is backed by our workmanship warranty, and most replacement parts carry a manufacturer's warranty. Ask your technician for the specific coverage that applies to your repair — we'll put it in writing before we start.