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The Greater Mississauga Area's #1 for

HEATING

TSSA certified heating specialists keeping Mississauga warm all winter. High efficiency furnaces, heat pump installations, and 7-day emergency repairs.

Therma Licensed Heating Technician and Service Van in Mississauga, Ontario, Canada
OUR SERVICES

Our Heating Services

From emergency furnace shutdowns in sub-zero Ontario winters to quiet, ultra-efficient heat pumps and boilers, Therma ensures peak warmth across Mississauga.

Furnace Repair

Furnace Repair

Rapid diagnostic service for blower issues, ignitors, flame sensors, and heat exchangers across Streetsville and Peel.

Furnace Replacement

Furnace Replacement

Energy Star certified high-efficiency gas furnaces that lower winter heating bills by up to 35% with 10-year parts warranty.

Cold-Climate Heat Pumps

Cold-Climate Heat Pumps

Modern dual-fuel inverter heat pumps engineered for Canadian winters down to -30°C with lucrative federal rebates.

Boiler Systems

Boiler Systems

Residential hydronic boiler installations, radiator maintenance, combi-boilers, and zone valve diagnostics in historic homes.

Heating Tune-Ups

Heating Tune-Ups

Comprehensive 26-point furnace safety inspection, heat exchanger carbon monoxide check, and filter optimization.

Ductless Mini-Splits

Ductless Mini-Splits

Targeted heating and cooling solutions for home additions, sunrooms, and heritage homes without standard ductwork.

Therma Specialist in Mississauga
100% Guaranteed
OUR PROMISE

Therma Guarantees

When you invite a Therma specialist into your home or commercial building in Mississauga, Ontario, Canada, you are protected by industry-leading warranties and meticulous care standards.

No-Freeze Guarantee
Peace Of Mind
Clean Booties Guarantee
No Hidden Fees
Upfront Transparent Pricing
100% Warmth Satisfaction
TSSA Licensed Gas Fitters
On-Time Arrival
SPECIAL SAVINGS

Current Heating Offers

Take advantage of limited-time seasonal promotions and Ontario rebate opportunities across Mississauga and Peel Region.

Heating & AC Combo

Save $1500

on a New Heating & Cooling System

Combine Ontario rebate programs with Therma instant discounts on qualifying high-efficiency furnace & AC systems.

Most Popular

$500 Off

New Furnace or Heat Pump System

Upgrade before winter storms hit Mississauga. Includes smart thermostat and 10-year parts warranty coverage.

Seasonal Tune-Up

$89 Only

Precision 26-Point Furnace Safety Tune-Up

Prevent sudden breakdowns and verify carbon monoxide safety before cold Ontario frost begins.

Read Our Heating Reviews

Authentic feedback from verified homeowners across Mississauga communities.

Marcus Chen

Marcus Chen

Google Review

"Our furnace went out during a freezing cold snap. Therma had a technician at our Streetsville home within 90 minutes. Had the right flame sensor in his truck and got us running quickly!"

Streetsville, ON • 3 days ago
Elena Tremblay

Elena Tremblay

Google Review

"Installed a dual fuel heat pump system with Therma. The crew wore boot covers, put down drop cloths, and completed everything in one day. Our gas bill dropped noticeably."

Port Credit, ON • 1 week ago
David Kowalski

David Kowalski

Google Review

"Polite, knowledgeable technicians. They clearly explained the boiler issue and provided upfront pricing before touching a wrench. Therma is our trusted home service provider."

Erin Mills, ON • 2 weeks ago
Priya Patel

Priya Patel

Google Review

"The furnace replacement crew was punctual and professional. The final bill matched the written quote down to the dollar with zero surprise fees. Fantastic service in Mississauga!"

Meadowvale, ON • 3 weeks ago

Peel Region's Most Trusted Team for

COOLING

Stay cool through humid Ontario heatwaves with 7-day-a-week air conditioning repairs, central AC installations, and precision tune-ups.

Therma Licensed Air Conditioning Technician servicing AC condenser in Mississauga
OUR SERVICES

Our Cooling Services

When summer humidity strikes Mississauga, you need an air conditioning team that responds rapidly with fully-stocked trucks and guaranteed workmanship.

Emergency AC Repair

Emergency AC Repair

Swift troubleshooting for frozen coils, failing capacitors, blower motors, and refrigerant leaks 7 days a week.

Central AC Installation

Central AC Installation

High SEER2 central air systems engineered for whisper-quiet cooling performance and major electrical bill savings.

Ductless Mini-Splits

Ductless Mini-Splits

Multi-zone air conditioning tailored for sunrooms, master bedroom suites, and home additions without ductwork.

AC Precision Tune-Up

AC Precision Tune-Up

Condenser chemical wash, electrical safety testing, filter change, and sub-cooling calibration to maximize lifespan.

Refrigerant Leak Repair

Refrigerant Leak Repair

Eco-friendly electronic leak detection, nitrogen pressure testing, and certified R410A / R32 recharge procedures.

Smart Thermostats

Smart Thermostats

Nest Pro and Ecobee smart thermostat installation and calibration for seamless phone control and energy savings.

Therma Cooling Technician
OUR PROMISE

Therma Cooling Guarantees

Same-Day AC Response
No Sweat Cooling Guarantee
Shoe Covers & Floor Runners
No Hidden Diagnostics Fees
Certified 313A Refrigeration Techs
Guaranteed Arrival Windows

Special Cooling Promotions

AC Replacement

Save $1200

on Complete Central AC Replacement

Enjoy whisper-quiet cooling with high-efficiency 16+ SEER units plus 10-year warranty.

Emergency Repair

$100 Off

Any Qualifying AC Repair Service

Valid towards capacitors, fan motors, contactors, or coil repairs across Mississauga.

Seasonal Tune-Up

$79 Only

Precision Summer AC Cool-Check

Comprehensive chemical outdoor coil clean, refrigerant check, and motor amperage diagnostic.

Mississauga's Dependable Master Specialists for

PLUMBING

Fast, licensed master plumbing for leaks, tankless water heaters, sump pumps, and fixture upgrades across Peel Region.

Therma Licensed Master Plumber

Our Plumbing Solutions

Tankless Water Heaters

Endless on-demand hot water units and energy-saving high efficiency gas tankless installations across Peel.

Emergency Leak Detection

Acoustic and thermal leak detection to pinpoint hidden pipe breaks behind drywall and beneath concrete slabs.

Sump Pumps & Backups

Dual-pump submersible systems with battery backup protection to prevent basement floods during heavy rainstorms.

Current Plumbing Promotions

Tankless Upgrade

$700 Off

Complete Tankless Water Heater Installation & venting upgrade.

Basement Defense

$150 Off

Sump Pump & Battery Backup System Installation.

Clear Flow & Flood Protection for

SEWER & DRAIN

Trenchless sewer repairs, high-pressure hydro-jetting, and HD camera inspections to restore flawless underground drainage.

Therma Sewer & Drain

Sewer & Drain Services

Hydro-Jetting Service

4,000 PSI commercial water jets that strip tree roots, heavy grease, and mineral scale without trenching.

HD Camera Inspection

Full-color fiber optic cameras that pinpoint pipe fractures, sagging bellies, and root penetrations.

Trenchless Pipe Relining

Epoxy pipe relining creates a brand new structural pipe inside existing lines without ruining your lawn.

Special Sewer & Drain Offers

Drain Special

$99 Only

Main Drain Camera Inspection & Snaking

Includes live HD monitor walkthrough to identify blockages or root intrusions.

ESA Certified Electrical Contractors for

ELECTRICAL

Modern electrical panel upgrades, EV Level-2 charging stations, aluminum wiring certification, and safety audits across Mississauga.

Therma Licensed Electrician

Electrical Services

200A Panel Upgrades

Modernize outdated fuse boxes and 100A panels to support heat pumps, hot tubs, and EV chargers.

Level 2 EV Chargers

Tesla Wall Connector, Flo, and universal J1772 high-speed car charger hardwiring with ESA permit.

Surge Protection

Whole-home panel surge arrestors guarding smart appliances and computers from grid spikes.

Electrical Promotions

Panel Modernization

$300 Off

200 Amp Service & Breaker Upgrade

Includes Alectra Utilities coordination and ESA Certificate of Inspection.

Pure Indoor Air Quality for

DUCT CLEANING

Deep negative-air duct sanitization, allergen elimination, and dryer vent safety cleaning throughout Mississauga, Ontario, Canada.

Therma Air Duct Cleaning

Duct Cleaning Solutions

Whole-Home Duct Cleaning

Truck-mounted negative pressure system pulling every ounce of dust, hair, and construction debris.

Dryer Vent Cleaning

Prevent dangerous dryer fires, reduce clothing drying cycle times, and lower electrical utility costs.

Benefect Botanical Fogging

100% natural thyme-based antimicrobial disinfectant fogging to eliminate mold spores and odors.

Air Quality Specials

Whole-Home Package

$299 Only

Complete Air Duct Package (Up to 15 Vents)

Includes hot and cold registers, main trunk lines, and free furnace inspection.

Peel Region's Premier Commercial Partner for

COMMERCIAL HVAC & TRADE

Rooftop RTU replacements, commercial hydronics, industrial plumbing, and planned maintenance contracts for Mississauga businesses.

Commercial Rooftop Units in Mississauga

Commercial Solutions

Commercial Rooftop RTUs

Crane lift replacements, compressor diagnostics, economizer tuning, and priority dispatch.

Planned Maintenance (PMA)

Custom quarterly agreements ensuring equipment longevity, audit trails, and zero downtime.

Make-Up Air (MUA) Systems

Commercial kitchen ventilation balancing, fresh air intake heaters, and warehouse unit heaters.

Commercial Enterprise Programs

Enterprise RTU

Save $2500

Multi-Zone Commercial RTU Replacement

Includes crane logistics, curb adaptors, economizer setup, and old unit disposal.

BBB Accredited Business A+ Rating
Certified Heating and Air Conditioning Technicians
TSSA Registered Contractor Ontario
Super Service Award Winner
Certified Google Nest Pro Partner

Schedule Your Service

Experience the Therma standard today. Convenient online booking with same-day confirmation across Mississauga, Ontario, Canada.

Offers & Promotions

Discover current Enbridge gas rebates, Ontario clean energy subsidies, and exclusive seasonal promotions for homeowners.

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