Trusted by Home and Businesses from St. Catharines to Mississauga
5 Star Rated HVAC Company in St Catharines
Installation, Maintenance and Repair by Professionally Licensed HVAC Technicians
5 Star Rated
The #1 HVAC Service in St. Catharines |
Trusted Local Comfort Experts
The best HVAC service in St. Catharines starts with Forbes Heating and Air Conditioning, an authorized Rheem dealer. Experience dependable service, precise workmanship, and support from a team committed to keeping your home running smoothly year-round.
Forbes Heating and Air Conditioning is the leading provider of heating, cooling, and indoor air quality service in St. Catharines. Contact us or give us a call at (289) 990-0699.
We’re dedicated to delivering reliable relief for every home and business. From furnace and AC service to full system upgrades, Forbes is your top choice when you need professional, affordable, and trustworthy HVAC solutions.
Our Dependable & Professional
HVAC Services
You receive dependable HVAC service with trusted workmanship and products built to last. Each visit stays focused on your needs, providing a smooth, supportive experience from start to finish.
Air Conditioning
Air Conditioning
Heating
Heating
Water Heater
Water Heater
More Services
More Services
☑ Air Filters
☑ BBQ Hookups
☑ Dryer Vents
☑ Ductwork
☑ Gas Lines
☑ Pool Heaters
☑ Sheet Metal
10-Year Parts and Labor Offer
Enjoy long-term peace of mind with a 10-year parts on select approved products with labor warranty available with additional VIP package on all HVAC installations . Your system is backed by dependable support, reduced repair costs, and workmanship focused on lasting performance.
Customer Reviews for Forbes Heating and Air Conditioning
Our reviews highlight the experience homeowners have with Forbes Heating and Air Conditioning, from dependable HVAC service to honest communication and quality workmanship across the nearby area.
Get On-the-Spot Financing
for HVAC Services in St Catharines
Flexible financing options make HVAC services in St. Catharines accessible, helping homeowners proceed with repairs or replacements while spreading costs over manageable payments.
Key Advantages of Our Professional HVAC Maintenance and Service
Looking for reliable HVAC service in St. Catharines? Here’s just some of the many questions we get as a HVAC contractor as to how our services benefit you, your home, and your wallet.
How does HVAC lower energy bills?
How does HVAC help indoor air quality?
A well maintained HVAC system filters out dust, allergens, and everyday pollutants so the air in your home stays cleaner. Proper airflow keeps rooms fresh and balanced. You notice a healthier and enjoyable environment right away.
How does HVAC help increase energy efficiency?
How can HVAC equipment extend its lifetime?
Why Choose
Forbes Heating and Air Conditioning?
Forbes Heating and Air Conditioning is committed to dependable workmanship, trusted products, and a customer experience built around home or businesses unique needs from start to finish.
Timely 24 Hour Service
Your comfort should never wait. Our team arrives on time, prepared, and focused on solving your heating or cooling needs fast.Clear Communication
You stay informed from the moment you contact us. We explain your options and outline next steps so every detail feels simple.Fair, Honest Pricing
You can count on clear, upfront pricing without surprises. We provide fair rates and transparent estimates so planning is predictable.Stress-Free Service
Your home should feel cared for throughout. Our team works with professionalism and attention to detail so your experience stays smooth.
Recent HVAC Installs We’ve Completed
Forbes Heating and Air Conditioning is committed to dependable workmanship, trusted products, and a customer experience built around home or businesses unique needs from start to finish.
Affordable HVAC Services in St. Catharines
Affordable HVAC services in St. Catharines start with a team that understands your home, your need to relax, and your budget. Forbes Heating and Air Conditioning provides cost-effective solutions designed to keep your heating and cooling systems running smoothly without unnecessary strain on your wallet. From routine maintenance to efficient system upgrades, you receive options that balance performance and value so you can enjoy reliable comfort through every season.
Homeowners across St. Catharines count on us for clear pricing, practical recommendations, and work that stands the test of time. Our technicians focus on long-term savings by improving efficiency, reducing breakdowns, and helping your equipment last longer. You get dependable results, honest guidance, and service that delivers at a price that feels manageable for your household.
HVAC Services in St. Catharines
Trusted by Your Own Neighbours
Forbes Heating and Air Conditioning brings years of trusted experience to every home we support. Our team works with precision, arrives on time, and handles every detail with professionalism you can feel right away. Homeowners appreciate how simple the process becomes. We focus on clear communication, reliable service, and workmanship that stands out for all the right reasons.
As a HVAC company in St Catharines we keep pricing competitive, service consistent, and results dependable so you can move forward with confidence. The goal is always an excellent customer experience. One you notice from the first visit to the final check.
Heating St Catharines Homes and Businesses Rely On
Most St. Catharines heating calls start with a diagnosis: checking the thermostat signal, gas pressure, ignitor or pilot, flame sensor, heat exchanger, blower motor and venting before anything is quoted. From there the fix may be a cleaning and tune-up, a single part swap, or a full furnace replacement when a cracked heat exchanger, repeated safety shutdowns or an aging unit makes further repairs a poor investment. Boilers and gas fireplaces are covered too, which matters in the older homes around the downtown core, Facer and Port Dalhousie.
Book a tune-up in early fall, before the first cold snap comes off Lake Ontario, so burners, venting and safety controls get looked at while the system is idle rather than during a January failure. Work is requested through the form on this site or by phone, and the price is set out before any work begins.
Heat Pump Repair for Cold Snaps and Humid Summers
A heat pump runs in both seasons, so it logs roughly twice the hours of a furnace or an air conditioner on its own. The common faults follow a short list: the outdoor unit ices over and never finishes a defrost cycle, a sticking reversing valve leaves the house cool when it should be heating, a low refrigerant charge produces lukewarm air, or the outdoor fan motor quits. Our professionally licensed technicians read refrigerant pressures, test defrost controls and electrical components, and check airflow before recommending parts.
Heat pump maintenance keeps those failures from stacking up: cleaning both coils, changing filters, clearing the condensate drain, tightening electrical terminals and confirming the backup heat stage engages properly on the coldest Niagara nights. Twice a year, once in spring and once in fall, suits most systems.
Air Conditioning Contractors St. Catharines Owners Hire for New Equipment
Before an air conditioner installation we measure the building instead of matching whatever sat on the pad before: floor area, window exposure, insulation, duct sizing and the rooms that never cool down. Oversized equipment short cycles and leaves humidity behind, which is noticeable in a lakeside summer. Installation day covers removing the old condenser, setting the new pad, running or flushing the line set, wiring the disconnect, pulling a vacuum, charging to spec and testing airflow at the registers.
If the ducts are undersized or leaking, sheet metal and ductwork are handled by the same crew so the air conditioning system can deliver what it produces. Ductless options suit additions, sunrooms, garages and older homes with no duct runs. Financing with monthly payments is available on installations.
Air Conditioner St. Catharines Repairs and Tune-Ups
When cooling stops, the cause is usually one of a short list: a dirty evaporator coil, a plugged condensate drain, a failed capacitor or contactor, a seized fan motor, or a refrigerant leak at a fitting or coil. We test components and pressures rather than guessing, then explain what has failed and what it takes to correct it. A tune-up ahead of the first humid stretch in June includes washing the outdoor coil, clearing the drain, verifying the charge and confirming the blower moves enough air.
If the same air conditioner has needed several repairs, runs on R22 or is well past its service life, we lay out repair against replacement so the decision is yours. A 24 hour service line covers evenings and weekends when cooling quits during a heat warning.
Heating and Air Conditioning St Catharines Ontario Properties Depend On
One crew handles both seasons, so the technician who tuned your furnace in October already knows your ductwork when cooling quits in July. Alongside furnaces, boilers and cooling equipment, we install and repair water tanks and tankless water heaters, run gas lines for stoves, BBQ hookups and pool heaters, clean and reroute dryer vents, and supply air filters that fit your existing cabinet.
Work covers St. Catharines neighbourhoods such as Glenridge, Fairview, Vansickle, Grantham, Haig, North End, Carlton, Martindale, Louth, Secord Woods and Merritton, and extends to Thorold, Niagara-on-the-Lake, Lincoln, Beamsville, Welland, Fonthill and Fort Erie for houses, rental properties and commercial spaces alike.
Professional HVAC Products We Service
Professional products and services play a key role in long-term comfort and system reliability. High-quality HVAC equipment is designed to operate efficiently, reduce unexpected breakdowns, and perform consistently through changing seasons. When the right products are paired with skilled installation, homeowners benefit from improved energy efficiency, better indoor climate, and systems built to last.
Equally important is the service behind the products. Forbes Heating and Air Conditioning’s professional HVAC service ensures every system is installed, maintained, and serviced with attention to detail and proven best practices. From proper sizing and setup to ongoing care, experienced technicians help protect your investment while delivering dependable performance you can rely on year after year.
| American Standard | Bosch | Carrier |
| Comfort Star | Daikin | Goodman |
| KeepRite | Lennox | Rheem |
| Trane | York |
Our HVAC Service Area
Forbes Heating and Air Conditioning serves St. Catharines and communities across the Niagara region, providing dependable heating and cooling support when homeowners need it most.
| St. Catharines | Niagara Falls | Welland |
| Fort Erie | Thorold | Beamsville |
| Fonthill | Port Colborne | Lincoln |
| Grimsby | Hamilton | Burlington |
| Oakville | Mississauga | Milton |
| Acton | Halton Hills | Morriston |
... and nearby locations!
HVAC Questions and Answers
Find answers to common HVAC questions from homeowners in St. Catharines and the Niagara region. Learn more about heating, cooling, maintenance, repairs, and how to know when it may be time to book professional service before an issue arises.How does HVAC lower energy bills?
How does HVAC help indoor air quality?
A well maintained HVAC system filters out dust, allergens, and everyday pollutants so the air in your home stays cleaner. Proper airflow keeps rooms fresh and balanced. You notice a healthier and enjoyable environment right away.
How does HVAC help increase energy efficiency?
How can HVAC equipment extend its lifetime?
What is included in an air conditioning service visit?
An air conditioning service visit covers the outdoor and indoor equipment together: coil condition, refrigerant pressures and temperature split, capacitor and contactor readings, blower wheel and filter, condensate drain and pan, thermostat operation and all electrical connections. Anything worn or out of range is shown to you and the options explained before parts are replaced. Most homes do well with one visit each spring.
How does HVAC lower energy bills?
How does HVAC help indoor air quality?
A well maintained HVAC system filters out dust, allergens, and everyday pollutants so the air in your home stays cleaner. Proper airflow keeps rooms fresh and balanced. You notice a healthier and enjoyable environment right away.