Professional heating and cooling solutions built on expertise, integrity, and genuine care for your home or business.
TSSA Fuels Contractor FS-R-53583City of Windsor Contractor Heating Licence H1196HST Registered
From emergency repairs to complete system installations and licensed gas appliance hookups, CITI HVAC delivers professional heating, cooling, and gas services for residential and commercial clients across Windsor and southwestern Ontario. Every job done right the first time.
Expert installation and service for all heating systems, keeping your home warm through every Ontario winter.
Stay cool all summer with professional air conditioning installation, maintenance, and repair.
Reliable commercial heating and cooling solutions for businesses, facilities, and industrial spaces.
Breathe cleaner, healthier air with our complete indoor air quality solutions.
Protect your investment and maximize system lifespan with regular professional maintenance.
Upgrade to smart thermostats and controls for maximum comfort and energy efficiency.
Licensed gas fitters for safe, code-compliant installation of gas appliances throughout your home or business. Partnered with leading appliance retailers across Windsor.
Professional gas line installation, inspection, and modification for residential and commercial properties across southwestern Ontario.
As licensed gas fitters, CITI HVAC is fully qualified to install and connect any gas appliance in your home or business safely, quickly, and to Ontario code. We partner directly with appliance retailers across Windsor so your new purchase is connected right the first time.
Are you an appliance retailer or showroom in Windsor-Essex? CITI HVAC offers a dedicated install partnership program, where we handle the installation of a purchased gas appliance professionally, quickly & according to TSSA code.
Gas line installation for a 22kW Honeywell standby generator in Essex — trenched underground, fused, pressure tested, and connected at the meter set.
Trench & Gas Line
Generator Connection
GAS LINES FOR ANY GENERATOR BRAND · TRENCHING · PRESSURE TESTING · METER SET TIE-INS
Gas line installation for a 22kW standby generator in Tecumseh — from the open trench and flex line to the meter set tie-in.
Trench & Gas Line
Meter Set & Finished Install
GAS LINES FOR ANY GENERATOR BRAND · NATURAL GAS PIPING · METER SET TIE-INS
Wall-mounted Rinnai and Navien tankless water heaters — new gas connections, venting, condensate pumps and water lines, including conversions from conventional tank heaters.
Finished Installs
Copper Lines & Gas Connection
CV Tank → PV Tankless Conversion
Old conventional-vent gas tank out, wall-mounted power-vented tankless in — new gas connection, PVC venting, condensate pump and PEX water lines.
Rinnai Tankless + AprilAire Humidifier
A Rinnai tankless install with a whole-home humidifier added on the same visit.
TANKLESS WATER HEATERS · CV TANK CONVERSIONS · GAS CONNECTIONS · VENTING · HUMIDIFIERS
Power vent (PV) and conventional vent (CV) gas water heaters — replacements and conversions between PV, CV, tank and tankless, with new gas connections and venting.
Power Vent (PV)
Conventional Vent (CV)
PV & CV TANK WATER HEATERS · TANK ↔ TANKLESS CONVERSIONS · GAS CONNECTIONS · VENTING
Comfort-Aire 12,000 BTU ductless mini-split heat pump — mounted, wired, and commissioned in South Windsor for quiet, year-round heating and cooling without the ductwork.
Indoor Unit
Outdoor Unit
Commissioning
DUCTLESS MINI-SPLIT HEAT PUMPS · INDOOR & OUTDOOR INSTALL · REFRIGERANT COMMISSIONING
A full condenser and coil replacement in Windsor — from removing the old unit to commissioning and testing the new system, tied back into the existing furnace.
CONDENSERS · EVAPORATOR COILS · REFRIGERANT CHARGING · SYSTEM COMMISSIONING
From first inspection to final fix — our techs diagnosed a failing attic air handler in South Windsor, traced the issue through the ductwork and wiring, then completed the repair on-site.
Step 1 — Diagnostic Visit
Step 2 — Repair Completed
AIR HANDLERS · DUCTWORK · WIRING DIAGNOSTICS · FULL SYSTEM REPAIR
Full HVAC installation for a park model trailer — Coleman-Mach ParkPac system, custom ductwork, and complete under-trailer setup. One team, one day, done right.
PARK MODEL TRAILERS · RESIDENTIAL · COMMERCIAL · GAS · SERVING 200KM RADIUS
Based in Windsor, Ontario, CITI HVAC serves residential and commercial clients across a 200km radius — covering the entire southwestern Ontario region. If you're in our area, we've got you covered.
Don't see your city? Call us — we likely serve your area.
📍 Based in Windsor, Ontario
"The team at CITI HVAC replaced our furnace quickly and professionally. They walked us through every step and the pricing was exactly what was quoted. Couldn't be happier."
"Called them for an AC issue in July and they were there the same day. Fast, clean, and didn't try to oversell me on anything. That's rare. Will use again."
"Professional from start to finish. The crew installed a full system — furnace, AC, and Nest thermostat. The quote was detailed and the work was immaculate."
Join our growing list of satisfied clients across southwestern Ontario
Book Your Service TodayTell us what you need and we'll call you back. Prefer to talk now? Call 519-325-9570.
