Author Archives: DHO Master

The Switch to R32 and R454 Refrigerants

By DHO Master

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Air Conditioner, Air conditioner rental, Blog, Central Air Conditioner, Energy Tips, Furnace, Heat Pump

Determine Rinnai Tank Age Using the Serial Number

By DHO Master

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Blog, How to, Tankless, Water Heater, Water Heater Rent To Own, Water Heater Rental

Finding your Rinnai tank age and manufacturing date is easy, all you need is its serial number. Tankless water heaters typically have a useful life of 15-20 years with regular maintenance. If you need to find out the age of your Rinnai tankless water heater, we have a simple guide for you. The serial number on your water heater can be used to determine the Rinnai tank age with ease. The serial number of your Rinnai tankless water heater can be Read More...

HVAC Air Filter Types and MERV Ratings

By DHO Master

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Air Conditioner, Blog, Central Air Conditioner, Energy Savings, Energy Tips, Furnace, How to, HVAC Contractor

Choosing the right HVAC air filter for your home allows you to enjoy exceptionally clean air and avoid increasing your energy bills or overworking your system. An HVAC air filter is designed to remove airborne pollutants from the air you breathe at home everyday. In essence, choosing the right air filter and maintaining it properly means clean, healthy air for you and your family. Not only that, a properly maintained air filter helps prevent your HVAC system from being overworked, Read More...

My HVAC Leaking Water: 10 Reasons Why

By DHO Master

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Blog, Energy Savings, Energy Tips, Furnace, Furnace rental, Heat Pump, How to, HVAC Contractor, Uncategorized

If there is an unexpected puddle under your home’s HVAC system, your furnace leaking is likely the culprit. A furnace leak won’t be solved just by placing a towel on the floor, and while this may keep your floors dry, the root of the problem will still persist and could escalate to a more serious HVAC issue if not taken care of. We can help you get to the bottom of this problem to keep your floors dry and your Read More...

Heat Pump Settings to Maximize Efficiency and Home Comfort

By DHO Master

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Air Conditioner, Blog, Central Air Conditioner, Energy Savings, Energy Tips, Furnace, Furnace rental, Heat Pump, HVAC Contractor

Choose the right heat pump settings to maximize energy efficiency and home comfort. If you’ve only recently upgraded your home’s heating and cooling system to an energy efficient heat pump, it’s important to understand that it operates differently than a boiler or traditional furnace. With our help, choosing the right heat pump settings is easy and will allow you to get the most out of your new equipment. Choosing the right temperature One key distinction between heat pumps and furnaces/boilers is that Read More...

Water Heater Pilot Light Going Out

By DHO Master

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Blog, Energy Tips, How to, HVAC Contractor, Maintenance Tips, Water Heater, Water Heater Rental

A malfunctioning water heater pilot light is often the reason your home’s hot water supply suddenly goes cold. If your shower or tap unexpectedly stopped producing hot water, it’s a good idea to check if there’s an issue with your water heater pilot light. Luckily for you, fixing a malfunctioning pilot light is quite easy and we’re here to show you how. Follow along with our simple guide and enjoy a hot shower again in no time. Signs your pilot light Read More...

Common Air Conditioner Problem – Dirty Air Filter

By DHO Master

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Air Conditioner, Air conditioner rental, Blog, Central Air Conditioner, Energy Savings, Energy Tips, How to, HVAC Contractor, Maintenance Tips

Changing your air conditioner air filter regularly is essential to keeping your A/C running smoothly and avoid the headache of repairs. It’s a simple and inexpensive process that can be done yourself to avoid a number of common air conditioner problem. A clean air filter can significantly improve the air quality in your home, increase your HVAC system’s lifespan, and improve its energy efficiency. Air Conditioner Problem Caused by Dirty Air Filter: Poor Air QualityWhen an air filter is dirty it Read More...

How to Find the Age of your HVAC System

By DHO Master

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Air Conditioner, Air conditioner rental, Blog, How to, HVAC Contractor

With summer is just around the corne,. now is the time to ensure that your HVAC system is ready for the heat. For those with older A/C units, it might seem like it takes forever to get your home to a comfortably cool temperature on a hot day. It’s important to consider that the age of your HVAC system directly affects its operating efficiency. Many homeowners notice that when their A/C unit is aging it starts to become noisier and Read More...

New Rinnai RX Tankless Water Heaters

By DHO Master

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Blog, HVAC Contractor, Maintenance Tips, Tankless, Water Heater, Water Heater Rent To Own, Water Heater Rental

The all-new Rinnai RX Series Pro Build Tankless Water Heater is here bringing the new standard for energy efficiency and a meticulous design crafted with the professional in mind. Rinnai has introduced their brand-new Pro Build RX Series Tankless Water Heaters that set the standard for efficiency at 0.98 UEF (Uniform Factor Energy) and is the ultimate package for home comfort. The Rinnai RX features an Adaptive Gas Valve with Smart Sense technology that allows for seamlessly switching between Propane Read More...

Best Furnace Brands in Ontario 2024

By DHO Master

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Blog, Enbridge, Energy Savings, Energy Tips, Furnace, Furnace rental, How to, HVAC Contractor

Find the best furnace brands and models that will keep you comfy through the long Canadian winter. More than half of Canadian households rely on natural gas furnaces to heat their homes in the winter. With natural gas prices on the rise at a 23.7% year-over-year increase, finding a great furnace for your home will save you money on your monthly energy bills. Choosing the best furnace brands for your home will not only help you save on energy bills, but Read More...

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DeMark Home Ontario

4.8

review us on

Sean Tucker

06:42 26 Sep 24

The response time was very quick from the online request for a new tank. The prices were very competitive and did not have any extra surprise costs even though they did have some extra work that was needed upon arrival. The work that was done was very professional. I went from a gas hot water tank to a tankless one and the model that they installed was great it does take a couple seconds to kick on and heat up the water but the model(RX160IN) installed does enough for multiple uses of hot water at the same time which is much better then their competitions tank for the same price.

Alina Kushnir

01:13 01 Apr 21

Water heater installation. Very highly recommend this company. Mike on the phone and Jason who installed the heater were above and beyond any expectations. Mike helped me with heater selection, explained options and what is the best for my house. Jason arrived right on time and did a great job with the install. Overall 10 stars service from beginning to the end - polite and professional service on the phone and inside my house, easy to reach, clear contract with option to buy out heater at any point of time.

Euro Boutique

05:12 26 Mar 21

The customer service is above and beyond. All your questions are answered without any hesitation. Very professional and great service. I highly recommend DenMark Home Ontario Services, you will not be disappointed.

Ladgar j

05:21 25 Feb 21

I am so thankful to Demark Home. Our furnace stopped working this afternoon & I was afraid our family will be left with no heat for days. Luckily Demark Home managed to squeeze the installation for the same day later in the evening. Eddie and his colleague did a wonderful & clean job. We are really impressed with the speedy service that was done for a reasonable price.

Customer Support

08:21 21 Feb 21

Mike was great at explaining our options and was not pushy like some sales people. The installers John and Dan were great as well, very clean and did a great job with the install. We would definitely recommend Demark Home to anyone who is looking for competent sales and installation of new hvac products. Thank you.

Farid Nasir

21:01 22 Jan 21

Good Service. Very fast response. The technician was efficient and smart. Good price and good correspondence. thank you Mike

Altaf Sahibzada

19:58 12 Nov 20

Good Service. Very fast response. The technician was efficient and smart. Good price and good correspondence.

Rob

23:45 15 Oct 20

Had new hot water tank installed. This company is professional from start to finish. So impressed with people I spoke to on phone and the excellent installer who came to my house. Very careful and responsible when installing water tank. Rates reasonable and written documentation clear and fair. Well done !!

James Brown

13:24 20 Sep 20

They are very easy to deal with no pressure sales good product and excellent service

Cos C

15:15 13 Aug 20

Used the company twice for the replacement of my water heater, and AC installation, very professional, and prompt service. Very knowledgeable. Amazing customer experience.

Grecory Conor

15:50 31 Jul 20

We purchased and installed our new Air Conditioner through Demark. They did an awesome job, quick, clean.. would highly recommend!

Chris Newell

17:11 23 Jul 20

I would give them 6 stars if I could. I had been a long term customer of another, very well recognized provider - who trumpets that they have the largest and best service team in our area - and when my rental water heater began leaking I called their service line and was informed that it would be 4 days until they could send a tech to inspect it. I confirmed that they heard me say that the tank was actively leaking and they apologized for not being able to do anything and immediately starting upselling me on alternate equipment, while confirming that regardless it will be 4 days before anything can or will be done by them. Not being very happy with that I started researching alternate providers and am very happy to have found DeMark. Not only did they have a service tech there the next day, I have a higher quality tank than my existing provider and am paying 20% less a month for it. That does not include that they also gave me 2 months for free (as a new customer) and also took care of removing and returning my existing rental unit for no cost.Aside from quality equipment, and a great price, the contacts that I dealt with (Mike on the phone & Jason the tech) were great to deal with.I had put off dealing with replacing the tank for a while - mainly due to past terrible experiences with my existing provider, who seems to only utilize the term 'care' as part of their name and not part of their practices, but in hindsight I wish I had known how easy, and cost effective, it was for me to change providers, as I would have done so ages ago instead of waiting for the leak to force my hand.

Ngọc Châu Giang Nguyễn

02:49 13 Jul 20

I used to rent AC from Reliance, but then I found out they had been overcharging me the whole time. After that friend referred Mike to me, and he is such a good man with great service. He responds quickly, he sent Eddie, the technician, to replace new AC right after. Eddie was fast and professional. He did such a nice and neat job. Mike offered me a very reasonable price even though my house is 200km away from Toronto.Highly recommend the company.

m Na

00:56 13 Jul 20

Hi, I am very pleased with this company. This is the second time that I am using them. This time I fixed A/C and Water Heater in my parents house. Knowing that older people need an extra comfort zone, these guys went that extra mile to make sure everything is installed clean, professional, and on time, of course with a very reasonable price. I strongly recommend them.

Gerard Penney

20:57 06 Jul 20

They are very professional installers where great . Would recommend them to anybody . Great job

Mary Pog

21:27 06 May 20

We just moved into our brand new home and were shopping around for a AC because it wasnt provided by the builder. We called many companies looking for the best monthly payment and finally we found demark home who gave us a great deal. Installation was done on time and we love the job they done. Thank you to everyone at demark home for their great work.

Amit Farmah

20:12 02 Apr 20

I moved my Water Heater rental from Reliance Home Comfort to DeMark Home Ontario about 5 months back. I had no issues with the Installation process and Billing is working accurately as well. I'm happy to switch my hot water tank rental provider and definitely recommend them to everyone.

Silvana Rosati

05:55 28 Mar 20

My water tank finally died and I had to replace it. I am glad I found this company because I did not want to rent with the major water rental providers again and pay at an outrageous monthly rate. The service from DeMark Homes was top notch from the beginning to the end. They installed the new tank, picked up the old and provided all the necessary paperwork required for the return of the old tank back to Enercare. My monthly rental payment is now at a fair honest price and the charges still appear on my gas bill. I would highly recommend this company!Thanks Mike for everything. Silvana R

Boby S

20:12 29 Feb 20

My family needed an emergency furnace replacement because our old furnace's heat exchanger was cracked. We called Demark very late last night and I was expecting to have to leave a message, but to my pleasant surprise, their live representative, Alex, answered my call and handled my request. I explained to Alex my situation and he was able to book a furnace replacement appointment with one of their technicians for the following morning. The technician, Eddie, was great. He arrived on time and completed the job without any mess and explained to me how to use my new furnace and thermostat. The service was pleasant the whole way through, from my initial phone call to the installation of my furnace. I commend Demark Home Ontario for their exemplary customer service as they exceeded all my expectations and found an ideal solution to my problem. Thank you to Alex, Eddie, and the rest of the team.

Bimala Rani

18:39 29 Jan 20

Probably the best company out there. I've had business with them twice this year, I replaced my water tank and the furnace, Unbelievable reply he even answered my message at 1:00 am and had an installation the day after. It was absolutely …fantastic

Ghalib Fakih

17:59 15 Jan 20

Probably the best company out there. I've had business with Mike twice this year, I replaced my water tank and the furnace, Unbelievable reply he even answered my message at 1:00 am and had an installation the day after. It was absolutely amazing quality, service and price. Contractor that came to the house was super nice knowledgeable, and mainly very clean. I will defiantly recommend DeMark Home Ontario to any friend, family, or friend.

Tran Tran

19:04 19 Jun 19

Excellent same day service! Very clean & fast service from removal of the old water tank in the basement to installation new tankless rinnai. Their team is professional, friendly and reliable. I strongly recommend Demark home ontario.

mike rer

04:02 08 Mar 19

My family just got a new furnace installed by Demark Home Ontario. Their technician David did an excellent job. No complaints. The price was very reasonable as well. We chose to sign up for the rent to own program. Thanks again, Demark. I’ll recommend your services to my friends and neighbours.

More reviews

Rent to own Furnace Program

Rent to own Air Conditioner Program

Rent to own Furnace Program

Rent to own Air Conditioner Program

Rent to own Furnace Program

Rent to own Air Conditioner Program

Author Archives: DHO Master

The Switch to R32 and R454 Refrigerants

Determine Rinnai Tank Age Using the Serial Number

HVAC Air Filter Types and MERV Ratings

My HVAC Leaking Water: 10 Reasons Why

Heat Pump Settings to Maximize Efficiency and Home Comfort

Water Heater Pilot Light Going Out

Common Air Conditioner Problem – Dirty Air Filter

How to Find the Age of your HVAC System

New Rinnai RX Tankless Water Heaters

Best Furnace Brands in Ontario 2024