Cambridge HVAC Contractor

Cambridge isn't one housing market — it's three. Galt's century homes along the Grand River, Preston's post-war bungalows and side-splits, and Hespeler's newer subdivisions each fail in their own way when it comes to heating and cooling. We plan every furnace, AC, heat pump, and ductless install around which Cambridge you actually live in.

In Galt, many of the brick century homes around Main Street, Blair Road, and the Dickson Hill area still run on boilers and cast-iron radiators, or on retrofit ductwork squeezed into old chases. We handle boiler-to-forced-air conversions, high-efficiency boiler swaps, and ductless mini-splits for the second-floor bedrooms that never cool down in July. These houses leak air in ways a new build never will, so we size by heat-loss calculation — not by the nameplate on the old unit — and we pay attention to venting through thick masonry walls.

In Hespeler and the newer areas off Townline Road and Guelph Avenue, we're now replacing a wave of builder-grade furnaces installed when those subdivisions went up in the late 2000s. Builder-spec equipment was chosen on price, and a lot of it is hitting the 12–15 year mark with cracked secondary heat exchangers, failing ECM boards, and short-cycling from day-one oversizing. If your Hespeler home's original furnace is limping, replacing it before a February failure is almost always cheaper than an emergency swap.

Preston homes sit in between — solid 1950s–1980s housing where the ductwork is usually workable but attic insulation and undersized returns drive up bills. And everywhere in Cambridge, summer humidity off the Grand River is the real comfort problem: a right-sized AC or cold-climate heat pump that runs longer, gentler cycles will wring moisture out of the air, where an oversized unit just blasts cold and shuts off, leaving the house clammy.

Cost matters here too. A typical Cambridge home spends roughly $1,200–$2,000 a year on natural gas and electricity for heating and cooling, and utility rates only move one direction. High-efficiency equipment, and especially cold-climate heat pumps — which qualify for Enbridge's 2026 rebate programs when installed to program requirements — can take a real bite out of that. We handle the paperwork and tell you honestly when a rebate is worth chasing and when it isn't.

We're local, we quote in writing, and we answer no-heat and no-cool calls across Galt, Preston, Hespeler, and the rest of Cambridge fast. See what a new system actually costs in our 2026 Cambridge furnace & HVAC cost guide, or call for a free in-home assessment.