Peace of mind guaranteed — upgrade today with our 10-day money-back guarantee

HVAC Contractor in Cambridge

From Galt and Preston to Hespeler and Blair, we install furnaces, tank and tankless water heaters, water treatment and air quality systems across Cambridge, at upfront installed prices.

Get started Speak to an Expert
  • 5.0★ from 55 Google reviews
  • Install date confirmed when you call
  • 10-day money-back guarantee
Grand River and downtown Galt, Cambridge
Photo: J Yochem, CC BY-SA 2.0

Brands We Install

Cambridge's Trusted HVAC Experts

Cambridge mixes heritage homes in its three old downtowns with newer subdivisions. We install in all of them, with a clear upfront price, licensed technicians and a warranty that we register for you.

Learn more

Explore Our Product Categories

Discover the systems we install every week. Every price includes standard installation, so you can compare options that fit your home and budget.

Tank Water Heater Tankless Furnace Power Vent Two-Stage Furnace Water Softener Reverse Osmosis UV Water Sterilizer HEPA Air Filtration UV Air Purifier HRV Ventilator

Home Comfort Services in Cambridge

Water Heaters Cambridge

Water Heater Installation in Cambridge

Reliable hot water without renting. We install gas tank water heaters from Bradford White, John Wood, Rheem and Lennox, and haul the old tank away, often the same day you call.

Installed from $2,195
Explore Water Heater Installation
Cambridge Tankless Water Heaters

Endless Hot Water on Demand in Cambridge

A Rinnai condensing tankless heater hangs on the wall, frees up floor space and heats water only when you need it. We size it to your fixtures so showers never run cold.

Installed from $5,495
Explore Tankless Installation
Furnace Services Cambridge

Furnace Installation in Cambridge

High-efficiency Lennox gas furnaces built for Ontario winters. We confirm the right size for your home before install day, so you get even heat and lower gas bills.

Installed from $4,945
Buy a Furnace
Water Treatment Cambridge

Water Softeners & Filtration in Cambridge

Cambridge's water is hard, which builds scale in water heaters and fixtures. An Excalibur water softener, installed at $2,195, protects your new heater and appliances. Rural homes on wells can add a UV sterilizer, from $1,695.

Installed from $1,345
Explore Water Treatment
Indoor Air Quality Cambridge

HRVs & Air Purification in Cambridge

Fresh, filtered air all year. Lifebreath HRVs, Lennox HEPA filtration and UV lights connect to your furnace ductwork and quietly clean the air in every room.

Installed from $795
Explore Indoor Air Quality
Bridge over the Grand River in downtown Galt, Cambridge
Photo: JasonParis, CC BY 2.0
10 yearsinstalling across Southern Ontario
Local know-how

Serving Galt, Preston and Hespeler

Cambridge brings together three historic towns, Galt, Preston and Hespeler, each with older stone and brick homes near their downtowns, plus newer subdivisions in areas like Hespeler's east end and the south side of Galt. Older homes often have chimney venting and tighter mechanical rooms, so we check venting and clearances before we quote.

Cambridge's water is mostly groundwater and is hard. Hard water shortens the life of a water heater, so a softener is a smart add-on when you replace your tank. Rural properties outside town on private wells should start with a water test.

  • Furnace and water heater replacements in Galt, Preston and Hespeler
  • Venting solutions for older downtown homes
  • Softeners and UV for hard and well water
Get a free quote Call 905-418-2629
10-Day Money-Back Guarantee Not happy with your new equipment within 10 days of installation? Tell us and we'll make it right. See the guarantee Need More Flexibility? Replace a failed furnace or water heater now and spread the cost. Choose humm at checkout to pay monthly, subject to approval. Learn more
Book Your Cambridge Install Call and we'll give you the earliest install date for your address. Our technicians remove your old unit and register your manufacturer's warranty for you. Check the next install date
Technician installing a new water heater

Our Go-To Guide for Home Comfort

View all guides
Water HeatersBuy vs Rent a Water Heater in Ontario: 15-Year Cost Comparison Renting a power vent water heater in Ontario costs more than $6,800 over 15 years at typical rates. Buying ... Read more Water HeatersWater Heater Replacement Cost in the GTA & Ontario (2026) Replacing a 40 to 60 gallon gas water heater costs $2,195 to $3,295 installed across the GTA and Southern O... Read more FurnacesLennox ML196 vs ML296: Single-Stage or Two-Stage Furnace? Both Lennox Merit furnaces are 96% AFUE. The ML296 adds two-stage heat and a variable-speed blower for $550... Read more Water HeatersPower Vent vs Chimney Vent: Which Water Heater Does Your Home Need? A chimney vent tank is the simplest swap if your chimney still works well. After a furnace upgrade, a power... Read more Water TreatmentSigns You Need a Water Softener Scale on fixtures, spotty dishes and stiff laundry are classic signs of hard water. Learn how to test your ... Read more FurnacesHow to Check Your HVAC Contractor Is TSSA-Registered in Ontario Before anyone works on your gas furnace or water heater, check the company on TSSA's public registry and as... Read more

Serving Homes Across Cambridge & Nearby Areas

From older bungalows to brand-new builds, we install furnaces, water heaters, water treatment and air quality systems in every part of Cambridge and across Waterloo Region. We also serve nearby Kitchener and Brantford.

Neighbourhoods we serve in Cambridge

  • Galt
  • Preston
  • Hespeler
  • Blair
  • Fiddlesticks
  • Saginaw
  • Branchton
Upgrade Now

Real Homeowners. Real Reviews.

Join 300+ happy homeowners across the GTA and Southern Ontario

5.0 out of 5 based on 55 Google reviews
S
Saad R.Google review
★★★★★

Great experience with Mr. Heating and Home. Clear and helpful communication throughout, talked me through options, cost/benefit and answered every question. Installation was on-time, clean and with licensed professionals. And the best part, beat Costco pricing and let me pay by Amex!

M
Marion H.Google review
★★★★★

We had pleasant experience with Mr. Heating and Home. They installed a heat pump, electrical furnace, thermostat and a new electrical panel. Everything went smooth. No complaints. They laid down a red carpet and were respectful, professional.

G
Garry T.Google review
★★★★★

I had an old air system taken out and a new heat pump put in. These guys did a great job and were quick installing the new heat pump. When they left everything was clean and tidy. I would recommend Mr.Heating and Home team to anyone looking to upgrade! Great team!

T
Tamkin N.Google review
★★★★★

Uthman was amazing! The process was so smooth and the installers were helpful and polite. They put down a carpet to make sure nothing was damaged and were very professional. I highly recommend them.

N
Nancy D.Google review
★★★★★

Installed a water heater and water softener. There was issue during installation with a blocked pipe from my old water heater. I initially was upset but they resolved everything and made sure I was happy in the end.

D
Debbie D.Google review
★★★★★

Awesome man helped me so much thankyou Mohammed. I got the whole house UV purification system, and a reverse osmosis system, so excited to not use plastic bottles anymore.

Cambridge Furnace & Water Heater FAQs

Do you serve all of Cambridge?
Yes. We install in Galt, Preston, Hespeler, Blair and the surrounding area. Call 905-418-2629 to confirm timing for your address.
Do I need a water softener in Cambridge?
Cambridge's water is hard, so a softener is often worth it. It protects your water heater from scale and makes soap work better. We can recommend the right size for your household.
How soon can you install in Cambridge?
It depends on the day's schedule and the equipment you need. Call 905-418-2629 and we'll give you the earliest date for your address.
What does the installed price include?
The equipment, standard installation by licensed, insured technicians, removal of the old unit and our 10-day money-back guarantee. Any extra work is quoted before we start.

Ready for a quote in Cambridge?

Tell us what you need and we'll follow up the same day. No pressure, no surprise fees.

  • Upfront installed pricing
  • Licensed, insured technicians
  • Earliest install date confirmed by phone

By submitting this form, you agree to receive communications from us about your inquiry.

Need Quick Answers?

Call us at 905-418-2629 and a real person will help you choose the right system.

We're in Your Neighbourhood

View Service Areas

How Much Flexibility Do You Need?

Pay Monthly with humm at Checkout

Prefer Email?

Email Our Team
Call 905-418-2629 Book install