High Efficiency Cooling & Heating Inc.

Name: High Efficiency Cooling & Heating Inc.
Address: 570 Alden Rd. Unit 3, Markham, ON, L3R8N5, Canada
Telephone: 9053072988
Rating: 5.0

HVAC in Markham ON
Star Score
Average 5.0 / 5
Reviews & Ratings 1535
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High Efficiency Cooling & Heating Inc., based in Markham, is a trusted provider of HVAC services, renowned for their professional and knowledgeable technicians like Jason and Harry Yan. Praised for their honest advice and efficient maintenance work, they offer cost-effective solutions and valuable tips for system upkeep. Whether it's a routine tune-up or a full system installation, their team, including experts like Charton and Peter, ensures customer satisfaction with thorough follow-ups and clear explanations. Their commitment to quality service and competitive pricing makes them a go-to for all heating and cooling needs.

The technician is very patient, highly professional, and truly trustworthy.

- Kei Chun Ip - Sep 16, 2025

Girin the technician did a great job servicing my furnace and Central AC . Would highly recommend !

- Sanjeev Chowdhary - Sep 16, 2025

My technician Pirabaharan arrived on time, polite and courteous, professional and knowledgeable. Answers all my questions and make recommendations that meets and exceed my expectations. Highly satisfied with his service and works, would recommend him and this company to anyone. Jimmy

- Jimmy Pang - Sep 12, 2025

- C Mak - Sep 12, 2025

Giran from High efficiency cooling inc, explained the problem well and the resolution needed and it was quick though.

- prasath psm - Sep 02, 2025

Im very happy with the service I received on two occasions. Everything from the scheduling through to performing the service was excellent. The initial technician who came to diagnose and fix the issue was very knowledgeable and efficient. Then the two gentlemen who came to do a full cleaning of my unit were very thorough and overly polite. I couldnt have asked for better. You have a great team! Please pass along my thanks.

- Justin Jones-Ward - Sep 02, 2025

Service was on time and courteous.

- Randy Cheung - Aug 29, 2025

Been with this company since last year and couldn't be happier. They know what they're doing, charge fair competitive prices.

It's so much better to go with them than general contractors or other means to try to save a few hundred dollars.

You get what you pay for. I replaced my AC with them a year ago, serviced it at no cost since I have the diagnostics for life package.

They also fixed several mistakes from the previous home owner and a contractor I hired to install the smart thermostat. The furnace and AC would randomly fail at times and I had no idea why. Now I know and everything is working perfectly.

Genuine service. Genuine company.

- Jonathan Zhao - Aug 25, 2025

- David Chu - Aug 25, 2025

- Sachin Patel - Aug 22, 2025

On time, quick and friendly service.

- Eddy Chan - Aug 22, 2025

Sam is very polite and did a good job of getting our boiler running again. Marco at the office was also good to deal with.

- Ferris - Aug 22, 2025

- Hoi Kwan Lee - Aug 21, 2025

Fast and great service!

- Kevin Higa - Aug 19, 2025

Excellent service. Excellent communication. The process was smooth. Both AC units were installed and tested and explained.
They both work great without issue.
The men who came were kind and respectful and professional.
Everything was left clean.
I’m grateful for the experience they provided.
Would highly recommend.

- Kris Brown - Aug 18, 2025

- Season Chan - Aug 17, 2025

Warmest thanks to Liam for his works to resolve the problem of my 10 years old A/C. He thoroughly carried out diagnosis after conversation to me about when the problem occurred and symptoms. Promptly identified where the loosen electric wire should be connected to, hence resolved the problem without any new parts. Meanwhile, he also patiently answered all my questions. He is really a nice and honest guy, and highly competent technician with good knowledge to the product and repair technique. The team of High Efficiency Cooling & Heating kept me well informed about the process since I placed the repair service order. Price is fair, service is excellent, and company is reliable and trustfulness 👍🏻👍🏻

- Fuwah Yip - Aug 15, 2025

Knowledgeable and hardworking .Found the solution pretty quickly

- Jamaal S - Aug 15, 2025

This company knows all about PTAC units. Omg they've helped out many of us condo owners manage and fix these antiquated heating systems.

I am very grateful. If you have an old heating system in the Dundas st area and its not functioning well, I would def hire this company.

- melissa (Lisa Lisa) - Aug 14, 2025

My wife and I have been in our current home for 38 years and have experienced three different HVAC companies. We have now found that our 3rd company namely High Efficiency Cooling % Heating Inc. to be our preferred company. Charton from sales returned our many phone calls with clear answers before our purchase of a dual furnace-heat pump system. Liu and his assistant did an excellent installation. Richard the technician has taken a systematic elimination approach to find the cause of a heat pump problem. Most importantly the technician Richard took the time to listen to our heat pump drainage concerns and came up with a perfect solution that demonstrated the great flexibility of our smart thermostat and great flexibility of our heat pump that when needed it can function solely as an ac thereby eliminating our drainage concerns. Thank you to the whole team and especially to the technician Richard for clearly explaining the multiple advantages of a dual furnace-heat pump system and smart thermostat and suggesting what we thought was a perfect mechanical solution to our heat pump drainage concerns!

On August 14, 2025, technician Girin from High Efficiency and Cooling Inc. came to replace the collector's box in our Carrier furnace. The need for a replacement was first diagnosed by technician Rana, Marco ordered the new part and Girin did an excellent job in replacing the old collector's box. Girin was very professional, performed excellent work, explained everything very clearly, doubled-checked to make sure everything was in excellent order, and answered all our questions about the Eco smart thermostat. Many thanks to Girin and the whole High Efficiency team for their excellent teamwork! We thoroughly are appreciative of High Efficiency's Annual Service membership program and their Residential Lifetime Free Diagnosis Membership Program. These 'worry-free' programs provide us with safety, security and efficient service!

- GERRY - Aug 14, 2025

Very good experience and get the job done very efficiently.

- Ghassan Rashid - Aug 14, 2025

Technician was on-time, friendly, competent, clear and straightforward. Highly recommend

- Erin Hobin - Aug 14, 2025

The technician who came to service our furnace was very efficient and knowledgeable about the work. He provided very useful ideas about how a home owner can understand the best operation of the equipment. One idea that the technician gave me was to shut off the A/C system when the outside fan stops, to avoid further damage.

- John Sparkes - Aug 12, 2025

Sam and Giran were great! They were prompt, polite and efficient. I would recommend them to anyone!

- Ian Perry - Aug 12, 2025

AI customer service works amazing for my first phone call, the technician is super professional and knowledgable. He quickly diagnosed the issue and provided the good reccommendation.

- Jun Zhang - Aug 12, 2025

My 18 years old AC broken down and I décider to give High Efficiency Cooling & Heating Inc. a call, as they were the one that installed the system. To my surprise, the company quickly sent they Tech to have a diagnostic. The price is reasonable. Girin, the tech was very knowledgeable and friendly. He explained all the issues and was quickly resolve the issues, without upselling a new AC unit.
I highly recommended this company.
I will definitely use this company for future maintenance and repair.

- Tiffany N. - Aug 08, 2025

Had a great experience with High Efficiency Cooling & Heating Inc.! From start to finish, the entire team—from sales to the technicians—was professional, knowledgeable, and efficient. They provided honest advice on what would work best for my home, installed the new AC, and fixed the issues with my air handler quickly and smoothly. Everything was done on time and with great attention to detail. Highly recommend them for anyone looking for reliable and high-quality HVAC service!

- Aakash Rohra - Aug 08, 2025

Great work and super friendly! Had it fixed in no time!

- Gavin Smith - Aug 07, 2025

- Denny Yang - Aug 06, 2025

Big thanks to Liam and Girin for getting our AC back up and running! They were punctual, professional, and efficient. They replaced the part, tested the system thoroughly, and made sure every was working before wrapping up. Highly recommend their service!

- Irina Balzamova - Aug 05, 2025

Great service — they did a good job and were very professional. Thank you!

- Wang Yuanyu - Aug 04, 2025

Amazing service. Good technicians. Friendly guy. You tell them the day and they are there! Trust

- Reemo Devli - Aug 04, 2025

- roxy sav - Aug 04, 2025

Great customer service.

- Paul Jurisich - Aug 04, 2025

Rana was very knowledgeable and helpful.
I learned a lot about my Heat Pump today.
He was very patient and methodical and checked all systems before leaving.
I would recommend his service to anyone.

Today I had Sam service my Heat Pump.
He was very knowledgeable and personable.
I would definitely recommend both Sam and High Efficiency for their prompt and professional service.

- Russ Machula - Jul 30, 2025

I needed condensation tubes moved and Sam at High Efficiency was amazing: super nice, came up with a creative solution and solved my problem.

- Rod Butler - Jul 30, 2025

- Edward Wang - Jul 30, 2025

Good service

- Steven yang - Jul 30, 2025

- Henry Lo - Jul 29, 2025

Recently I have engaged High Efficiency Cooling and Heating Inc. to install a Carrier high efficiency furnace in my house because the existing Carrier furnace is already 26 years old. The work was completed in professional standard and 100% to my satisfaction. I am particularly impressed with the services provided by the home comfort consultant Charton and technician Mr. Lu. In the appointment meeting Charton was able to carefully explain to me all the details about the Carrier furnace, its price and functionalities, rebate, OPA refund, audit and the need of a curve return boot used to improve the air flow to the furnace. For me to get the Enbridge Gas Air Leaking Incentive, he even offered to help me to buy the weather stripping materials and install them properly at my house. Mr. Lu, a skillful workman, installed the furnace neat and clean at my basement. He could drill holes through the wall with precision and line up the in-take duct and exhaust duct accurately between joists, connect them to the furnace which in turn connects seamlessly to the heating and cooling system of my house. These employees have shown that they are highly competent on their jobs. They are really great assets to the company and I would recommend my friends to use the services of the company in the future.

- William Law - Jul 29, 2025

- Keith Rodd - Jul 28, 2025

Prompt and good service, was able to diagnos the issue quickly

- John Robinson - Jul 27, 2025

- Hansen Lin - Jul 27, 2025

Jason was very knowledgable. He went over everything with me and gave me some tips on how I can improve the efficiency and effectiveness of both my ac and furnace.

- S B - Jul 25, 2025

Great technician

- Harjeet Grewal - Jul 22, 2025

A/C service went well and service technician was knowledgeable, and professional. Thank you for your service.

- Jose Amaral - Jul 22, 2025

Sam did a great job at our annual maintenance. He was punctual and very informative.

- Eitan Tsuk - Jul 21, 2025

Shahil is a great technican. He went above and beyond to solve the problem of banging sound of very old condo hvac unit

- vaibhavi patel - Jul 19, 2025

- Zeleena Deen - Jul 18, 2025

Professional service with efficiency and proper diagnostic skills. Highly recommend to others.

- Paul Ng - Jul 12, 2025

Frequently Asked Questions

FAQ's from customer experiences

What types of HVAC systems does High Efficiency Cooling & Heating Inc. service and install?

They service and install various HVAC systems including air conditioners, furnaces, heat pumps, humidifiers, smart thermostats, and PTAC units.

How does the company handle scheduling and technician arrival times?

The company is noted for prompt scheduling and technicians arriving on time, often providing advance notifications or reminders before appointments.

What can customers expect during a service or repair visit?

Technicians perform thorough diagnostics, clearly explain issues and solutions, work efficiently and professionally, and maintain respectful communication while keeping the work area clean.

High Efficiency Cooling & Heating Inc. | 570 Alden Rd. Unit 3, Markham ON L3R8N5, Canada