# HVAC Services Ajax | Best HVAC Toronto > Heating, cooling, and gas HVAC services in Ajax. TSSA-certified technicians serving Durham region with new-build retrofits and emergency response. URL: https://besthvactoronto.ca/service-areas/ajax/ ![HVAC technician arriving at a home in Ajax](/images/hero/hvac-technician-in-plain-navy-uniform-carrying-too.webp) location\_on Serving Ajax and surrounding areas # HVAC Services in Ajax Ajax combines wartime-era south-end housing with large post-2000 subdivisions north of the 401. We handle furnace and AC replacement, gas work, and red tag clearance across Pickering Village, Nottingham, and Riverside. - bolt 2-hour emergency response - verified\_user TSSA G1/G2 certified, $2M insured - star 4.9 stars from 150+ reviews call Call 647-254-4113 [tel:+16472544113 →](tel:+16472544113) Get a free estimate [/contact/ →](/contact/) - star star star star star 4.9 (150+ reviews) - verified TSSA G1/G2 Certified & $2M Insured - bolt 2-Hour Emergency Response - workspace\_premium 2-Year Labour Warranty ## Need Urgent HVAC Help in Ajax? 2-hour emergency response for Ajax homeowners, day or night. gpp\_maybe ### Enbridge shut off your gas A red tag means no heat and no hot water until a licensed technician clears it. We respond within our stated response window and restore most services within 24 hours. ac\_unit ### Furnace or AC failed today A dead furnace in winter or a failed air conditioner in summer heat is not a next-week problem. We hold same-day weekday capacity and dispatch 24/7 in an emergency. receipt\_long ### You have been quoted without explanation Every job gets a written quote before work starts, with the findings explained in plain language. No hidden fees, no pressure. ## Neighbourhoods we cover in Ajax 2-hour emergency response across every one of these, plus the surrounding streets. - place Pickering Village - place Nottingham - place Riverside - place Southwood - place Applecroft Last updated: September 5, 2026 ## What We Offer Ajax combines wartime-era south-end housing with large post-2000 subdivisions north of the 401. We handle furnace and AC replacement, gas work, and red tag clearance across Pickering Village, Nottingham, and Riverside. ![TSSA-certified gas technician testing a red-tagged furnace with a combustion analyzer in a Toronto basement](/images/hero/tssa-certified-gas-technician-in-plain-navy-unifor.webp) Our specialty [/enbridge-red-tag-compliance/ →](/enbridge-red-tag-compliance/) gpp\_maybe ### Enbridge Red Tag Emergency Compliance [/enbridge-red-tag-compliance/ →](/enbridge-red-tag-compliance/) Same-day response to Enbridge gas shutdown red tags: full inspection, repair, and re-certification to restore gas service, with 2-4 hour GTA response. Learn more arrow\_forward [/enbridge-red-tag-compliance/ →](/enbridge-red-tag-compliance/) ![HVAC technician installing a high-efficiency condensing furnace in a Toronto basement mechanical room](/images/hero/hvac-technician-in-plain-navy-uniform-installing-a.webp) Most requested [/furnace-installation-repair/ →](/furnace-installation-repair/) local\_fire\_department ### Furnace Installation & Repair [/furnace-installation-repair/ →](/furnace-installation-repair/) High-efficiency gas and electric furnace installation, replacement, and fast diagnostic repair with same-day weekday emergency service. Learn more arrow\_forward [/furnace-installation-repair/ →](/furnace-installation-repair/) ![HVAC technician checking refrigerant gauges at an outdoor AC condenser beside a Toronto home](/images/hero/hvac-technician-in-plain-grey-uniform-checking-ref.webp) [/air-conditioning-installation-repair/ →](/air-conditioning-installation-repair/) ac\_unit ### Air Conditioning Installation & Repair [/air-conditioning-installation-repair/ →](/air-conditioning-installation-repair/) Central AC systems sized to home load calculations, ductless mini-split options, and 24/7 emergency AC repair during summer heat waves. Learn more arrow\_forward [/air-conditioning-installation-repair/ →](/air-conditioning-installation-repair/) ![Technician commissioning a cold-climate air-source heat pump outdoor unit beside a Toronto home in winter](/images/hero/technician-in-plain-navy-uniform-commissioning-a-c.webp) Rebates up to $6,500 [/heat-pump-installation/ →](/heat-pump-installation/) heat\_pump ### Heat Pump Installation [/heat-pump-installation/ →](/heat-pump-installation/) Cold-climate air-source heat pumps for year-round heating and cooling, eligible for federal and Ontario rebates up to $6,500. Learn more arrow\_forward [/heat-pump-installation/ →](/heat-pump-installation/) ![Technician servicing a wall-mounted condensing combi boiler in a Toronto basement utility room](/images/hero/technician-in-plain-navy-uniform-servicing-a-wall-.webp) [/boiler-installation-repair/ →](/boiler-installation-repair/) device\_thermostat ### Boiler Installation & Repair [/boiler-installation-repair/ →](/boiler-installation-repair/) Residential and commercial boiler installation including combi, condensing, and hydronic systems, plus full repair and annual maintenance. Learn more arrow\_forward [/boiler-installation-repair/ →](/boiler-installation-repair/) ![Gas technician installing a black iron gas line with a shut-off valve along a basement joist](/images/hero/gas-technician-in-plain-navy-uniform-installing-a-.webp) [/gas-line-installation-bbq-hookups/ →](/gas-line-installation-bbq-hookups/) propane\_tank ### Gas Line Installation & BBQ Hookups [/gas-line-installation-bbq-hookups/ →](/gas-line-installation-bbq-hookups/) TSSA G1/G2 certified gas line installation for furnaces, water heaters, generators, outdoor kitchens, BBQ hookups, and gas fireplaces. Learn more arrow\_forward [/gas-line-installation-bbq-hookups/ →](/gas-line-installation-bbq-hookups/) ![Technician installing a wall-mounted condensing tankless water heater in a Toronto basement](/images/hero/technician-in-plain-grey-uniform-installing-a-wall.webp) [/tankless-water-heater-installation/ →](/tankless-water-heater-installation/) water\_drop ### Tankless Water Heater Installation [/tankless-water-heater-installation/ →](/tankless-water-heater-installation/) Condensing tankless water heater installation, replacement, and repair for endless on-demand hot water. Learn more arrow\_forward [/tankless-water-heater-installation/ →](/tankless-water-heater-installation/) ![Technician connecting water lines on a newly installed gas tank water heater in a Toronto basement](/images/hero/technician-in-plain-navy-uniform-connecting-the-wa.webp) [/tank-water-heater-installation/ →](/tank-water-heater-installation/) water\_heater ### Tank Water Heater Installation & Repair [/tank-water-heater-installation/ →](/tank-water-heater-installation/) Tank water heater installation, replacement, and repair including gas, electric, and hybrid units, plus Ontario rental buyout help. Learn more arrow\_forward [/tank-water-heater-installation/ →](/tank-water-heater-installation/) ![Technician mounting a ductless mini-split indoor head on the wall of a Toronto home addition](/images/hero/technician-in-plain-grey-uniform-mounting-a-white-.webp) [/ductless-mini-split-installation/ →](/ductless-mini-split-installation/) mode\_fan ### Ductless Mini-Split Installation [/ductless-mini-split-installation/ →](/ductless-mini-split-installation/) Ductless mini-split installation for cooling and heating spaces without ductwork: additions, attics, basements, condos, and garages. Learn more arrow\_forward [/ductless-mini-split-installation/ →](/ductless-mini-split-installation/) ![Technician installing a heat recovery ventilator with insulated ducting in a Toronto basement](/images/hero/technician-in-plain-grey-uniform-installing-a-heat.webp) [/indoor-air-quality-systems/ →](/indoor-air-quality-systems/) air ### Indoor Air Quality Systems [/indoor-air-quality-systems/ →](/indoor-air-quality-systems/) HRV and ERV installation, humidifiers, UV air purification, and smart thermostats for whole-home air quality management. Learn more arrow\_forward [/indoor-air-quality-systems/ →](/indoor-air-quality-systems/) ![Technician cleaning a residential supply duct with a rotary brush and vacuum hose](/images/hero/technician-in-plain-navy-uniform-cleaning-a-reside.webp) [/ductwork-duct-cleaning/ →](/ductwork-duct-cleaning/) hvac ### Ductwork & Duct Cleaning [/ductwork-duct-cleaning/ →](/ductwork-duct-cleaning/) Residential and commercial duct design, installation, cleaning, and repair, plus dryer vent cleaning for fire prevention. Learn more arrow\_forward [/ductwork-duct-cleaning/ →](/ductwork-duct-cleaning/) ![HVAC technicians servicing a rooftop unit on a flat commercial roof in Toronto](/images/hero/two-hvac-technicians-in-plain-navy-uniforms-servic.webp) [/commercial-hvac/ →](/commercial-hvac/) apartment ### Commercial HVAC [/commercial-hvac/ →](/commercial-hvac/) Commercial rooftop units, restaurant HVAC, office and retail systems, warehouse HVAC, and property management maintenance contracts. Learn more arrow\_forward [/commercial-hvac/ →](/commercial-hvac/) ![TSSA-certified HVAC technician diagnosing a failed furnace in a Toronto basement mechanical room during a winter emergency call](/images/hero/tssa-certified-hvac-technician-diagnosing-a-failed.webp) [/emergency-furnace-repair/ →](/emergency-furnace-repair/) emergency\_heat ### Emergency Furnace Repair [/emergency-furnace-repair/ →](/emergency-furnace-repair/) 24/7 emergency furnace repair across Toronto and the GTA. Same-day dispatch for no-heat calls in winter, cold snaps, and overnight failures. TSSA-certified. Learn more arrow\_forward [/emergency-furnace-repair/ →](/emergency-furnace-repair/) ![TSSA-certified technician diagnosing a failed air conditioner during a Toronto summer heat wave emergency call](/images/hero/tssa-certified-technician-diagnosing-a-failed-air-.webp) [/emergency-air-conditioning-repair/ →](/emergency-air-conditioning-repair/) ac\_unit ### Emergency Air Conditioning Repair [/emergency-air-conditioning-repair/ →](/emergency-air-conditioning-repair/) Same-day emergency AC repair across Toronto and the GTA. Fast dispatch during summer heat waves. Refrigerant, capacitor, and compressor diagnostics. TSSA-certified. Learn more arrow\_forward [/emergency-air-conditioning-repair/ →](/emergency-air-conditioning-repair/) ## How We Serve Local Homeowners The same process whether it is a $150 diagnostic or a full system installation. 1. 1call ### Call us Tell us what's happening. Emergencies are dispatched immediately, and non-urgent visits are booked into the first slot that suits you. 2. 2search ### We diagnose A TSSA-certified technician tests properly, then explains what they found in plain language. 3. 3description ### You get a written quote A fixed price in writing before any work begins. Nothing proceeds until you agree to it. 4. 4verified ### We do the work Installed, commissioned, and documented, with a 2-year labour warranty on everything we install. ## Ready for Fast, Honest Service? Written quote before any work starts in Ajax, no hidden fees, and a 2-year labour warranty on every installation. call 647-254-4113 [tel:+16472544113 →](tel:+16472544113) Book Online [/contact/ →](/contact/) ## Why Ajax Homeowners Call Us check\_circle ### Two-hour emergency response with 24/7 gas and no-heat coverage check\_circle ### Combustion and venting checks on older south Ajax homes check\_circle ### Correct load sizing on new-build replacements instead of like-for-like swaps check\_circle ### TSSA G1/G2 certified technicians with a 2-year labour warranty local\_shipping ## How Fast We Get to You in Ajax Ajax is reached off Highway 401 and Highway 407 via Salem, Harwood, and Westney Road. Two hours is our emergency target, and 401 congestion east of Scarborough is the main variable in the late afternoon. Gas emergencies are covered 24/7. home\_work ## The Homes We Work On in Ajax South Ajax holds older wartime-era housing with aging equipment and original venting. North of the 401, the subdivisions are largely post-2000 and are now due for first-generation equipment replacement. Both patterns show up in our week, and each calls for a different starting assessment. ## Where we work in Ajax Near **Ajax Community Centre, Rotary Park, Lake Driveway Waterfront Trail** directions Get directions [https://www.google.com/maps/dir/?api=1&destination=43.8509,-79.0204 →](https://www.google.com/maps/dir/?api=1&destination=43.8509,-79.0204) Reviews ## What Ajax customers say starstarstarstarstar4.9 out of 5 from 150+ customer reviews star star star star star > Furnace failed on a cold weekend. They came out fast and had it running again the same visit. Fair pricing for an after-hours call. KKayla D.Nottingham star star star star star > Older house with a venting problem nobody had spotted. They found it, explained it, and fixed it properly. TTomas E.Pickering Village Local FAQ ## Common Questions About Our Ajax Service ### How quickly can you reach Ajax? expand\_more Two hours is our target across Pickering Village, Nottingham, Riverside, Southwood, and Applecroft, with 24/7 dispatch for gas emergencies, red tags, and no-heat calls. ### Do you cover Durham region as well as Toronto? expand\_more Yes. Ajax, Pickering, Whitby, and Oshawa are all within our regular service area, with the same two-hour emergency target and 24/7 gas coverage as the rest of the GTA. ### Do you handle Enbridge red tags in Ajax? expand\_more Yes. Our TSSA G1/G2 technicians complete the inspection, repair, and signed clearance Enbridge needs to restore gas service, typically within 24 hours of our first visit. ### What does furnace replacement cost in Ajax? expand\_more Most replacements run $3,500 to $7,500 installed depending on the efficiency tier and blower type. Older south Ajax homes sometimes need venting or chimney liner work, which we quote separately and in writing before starting. ## We also cover the areas around Ajax Same technicians, same response targets, same warranty. location\_on HVAC in Pickering2-hour emergency response [/service-areas/pickering/ →](/service-areas/pickering/) location\_on HVAC in Whitby2-hour emergency response [/service-areas/whitby/ →](/service-areas/whitby/) View all service areas arrow\_forward [/service-areas/ →](/service-areas/) ![](/images/hero/hvac-technician-in-plain-grey-uniform-kneeling-bes.webp) 24/7 for gas emergencies, red tags, no-heat and no-AC ## Need an HVAC technician in Ajax? 2-hour emergency response for emergencies, with 24/7 dispatch for gas, red tag, no-heat, and no-AC calls. call Call 647-254-4113 [tel:+16472544113 →](tel:+16472544113) Get a Free Estimate [/contact/ →](/contact/) - check\_circle 2-year labour warranty - check\_circle Written quotes before work starts - check\_circle TSSA G1/G2 certified, WSIB covered