HVAC ASAP was very professional and installed my Ecobee thermostat. They Made Sure all The functions were working and assisted in programing it with my phone and HomeKit

Michael Da Silva

★★★★★

About us

At HVAC ASAP, we know how crucial it is to have reliable heating and cooling—especially in a city like Markham, where the weather can be unpredictable. That’s why we’re dedicated to delivering fast, professional, and dependable HVAC services right here in Markham and throughout the GTA. Whether it’s an emergency AC repair, routine furnace maintenance, or a complete system upgrade, our team is ready to restore your comfort without delay.

Our company was built on a simple belief: every homeowner and business in Markham deserves honest, high-quality HVAC service—without the pressure, delays, or hidden costs. That’s what makes HVAC ASAP a trusted name in the community for both residential and commercial heating and cooling solutions. We specialize in everything from air conditioning repair to furnace installations, and we’re proud to offer same-day service and 24/7 emergency support across Markham.

What sets us apart? It’s our commitment to putting customers first. We understand that HVAC problems can be stressful, so we focus on clear communication, practical solutions, and transparent pricing. Our certified technicians not only fix the issue, but also walk you through your options, helping you make informed decisions that fit your budget and long-term needs.

We proudly serve the Markham community because we’re part of it. Our team lives and works in the same neighborhoods as our customers, so we’re deeply invested in keeping your homes and businesses comfortable all year long. Whether it’s a scorching summer day or the dead of winter, we understand just how important a working HVAC system is to your safety and peace of mind.

HVAC ASAP provides a full range of HVAC services in Markham, including AC repair, furnace repair, heat pump installation, ductless mini-split systems, smart thermostat setup, and indoor air quality improvements. We work with all major brands and models, so no matter the size or age of your system, we have the expertise to get the job done right.

Our mission is simple: to keep Markham homes and businesses running efficiently with fast response times, professional workmanship, and honest advice. We stay up to date with the latest HVAC technologies, while holding firm to the values that built our reputation—trust, respect, and integrity.

If you’re in Markham and need an HVAC company that shows up when it matters most, look no further. Contact HVAC ASAP today and discover why more and more local residents are trusting us to handle their heating and cooling needs. We're here for you—day or night, 365 days a year.

HVAC ASAP provided exceptional service, Sylas Came out to fix my heating issue quickly and efficiently. Highly recommend them!

Isabella Kuo

I was impressed by HVAC ASAP's professionalism and their commitment to quality service at great prices. They came to install my thermostat the same day and even paired it with my phone

Louise Fraser

★★★★★

★★★★★

HVAC Services Offered

Expert heating and air conditioning repair services tailored for modern needs and exceptional quality.

Heating Repair Services

Reliable heating repair solutions for your home or business, ensuring comfort and efficiency.

Air Conditioning Repair

Professional air conditioning repair services to keep your environment cool and comfortable.

24/7 Emergency Services

Available around the clock for urgent HVAC repairs to ensure your peace of mind.