
Heating and cooling in Ancaster
Furnace and air conditioning service in Ancaster
Smithville Heating Cooling works on furnaces, central air and heat pumps in Ancaster. Tell us what your system is doing and what kind of house it heats, and you will get a straight diagnosis and a written price before any part is fitted.
What Ancaster houses tend to need
Ancaster is within reach of our Smithville base for furnace replacement, repairs, air conditioning, heat pumps and maintenance. Thinking about a new system? We size it to the house rather than the old label, check what rebate programs are open when we quote, and put the price in writing so you can decide before any work begins.
Ancaster homeowners reach us from Smithville most often when a furnace or air conditioner is getting on in years and the question is whether to fix it again or replace it.
Repair or replace, with both numbers
When a major part fails on an older system, such as a heat exchanger, a blower motor or a control board, we give you the repair price and the replacement price side by side. A younger unit with a modest repair is usually worth keeping. An old one with a cracked heat exchanger is not, because that fault can let combustion gases into the air in the house. See furnace repair.
Sizing a new furnace properly
The label on the old furnace is a poor guide, since many were oversized from the start. We measure the house, look at the windows and insulation, and check whether the ducts can carry the airflow. Our guide on what size furnace a house needs explains the method, and the installation page covers the rest.
Rebates and heat pumps
If you are weighing a heat pump alongside the furnace, a hybrid set-up lets the gas furnace carry the coldest nights. Program details change from year to year, so we check current rebates and tax credits at quote time rather than promise anything ahead. Start with the rebates guide and the heat pumps page.
Asking for a quote
Request one through the quote form. Let us know the approximate size of the house, the age of the current equipment and whether central air is part of the plan, and a technician will arrange a time to look.
Communities we serve
- Spring Valley
- Nakoma
- Oakhill
- Maple Lane
- Mineral Springs
- Maywood
- Pinecrest
- Lynden
Services in Ancaster

Furnace repair in Smithville
Furnace repair in Ancaster
Furnace repair for homes in Ancaster, from older converted houses to newer high-efficiency builds.
Learn more
From Griffin Street to Spring Creek Rd.
Furnace installation and replacement in Ancaster
Smithville Heating Cooling installs and replaces high-efficiency furnaces in Ancaster, sized to each house with the chimney, ducts and venting checked first.
Learn more
From Griffin Street to Spring Creek Rd.
Air conditioner repair in Ancaster
We repair central air conditioners in Ancaster as well as around Smithville, from older split systems in established subdivisions to the units on newer builds.
Learn more
From Griffin Street to Spring Creek Rd.
Air conditioning installation in Ancaster
Smithville Heating Cooling installs central air and ductless systems in Ancaster, sized to the house and its ductwork.
Learn more
Heat pumps in Smithville and West Lincoln
Heat pumps in Ancaster
We install and repair cold-climate and hybrid heat pumps for homes in Ancaster, working alongside the gas furnace already in the basement.
Learn more
From Griffin Street to Spring Creek Rd.
Furnace and AC maintenance in Ancaster
Seasonal furnace and air-conditioner tune-ups for homes in Ancaster, booked ahead of the cold and the first humid stretch.
Learn moreQuestions from Ancaster homeowners
Can I get a rebate on a heat pump for my Ancaster home?
Possibly. Federal and provincial programs open, change and close, and each has its own rules on equipment and on who must do the work. We check which programs are open when we prepare your quote, so the numbers reflect what is available then. A hybrid set-up that keeps your gas furnace can still qualify under some programs. See the rebates guide and the heat pumps page.
What decides how much a furnace repair will cost?
Mostly two things: which part has failed and how much of the furnace has to come apart to reach it. Cleaning a flame sensor is a short job. Replacing a blower motor or a control board takes more time and a pricier part. Age matters too, because parts for older units can be harder to find. Once a heat exchanger is cracked, the real question becomes whether to repair or replace. Either way, you see a written price and approve it before any part is fitted. Tell us what the furnace is doing when you ask for a quote.
Our house near Griffin Street still has a big converted furnace. What changes when we replace it?
Houses in the old village core were often heated with wood or coal first, then converted to oil and later gas. That left a lot of furnaces far larger than the house needs. A replacement should be sized to the house itself, not to the old label. If the new furnace vents through the side wall, check the old chimney: a water heater left alone in it may need a liner. Old ductwork can also be undersized or wrapped in old insulation, so it should be looked at too. Book an assessment through furnace installation and replacement.
Nearby areas
From our home base in Smithville we also work in Beamsville, Grimsby and Stoney Creek, as well as Ancaster. See the full list on the [areas page](/areas).
- Heating and cooling in Beamsville
- Heating and cooling in Grimsby
- Heating and cooling in Stoney Creek
- Heating and cooling in Binbrook
- Heating and cooling in Hamilton
- Heating and cooling in Caledonia
- Heating and cooling in Burlington
- Heating and cooling in Dundas
- Heating and cooling in Waterdown
- Heating and cooling in Oakville
- Heating and cooling in Flamborough
Need heat or cooling in Ancaster?
Tell us what your system is doing and what kind of house it is in. You will have a written price before any work starts.