Harold Heating And Cooling

Harold Heating And Cooling Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Harold Heating And Cooling, Heating, ventilating & air conditioning service, 16700 Sideroad 17A, Sunderland, ON.

Family Owned and Operated for 44 years
Serving York Region, Durham Region and Kawarthas
Residential/Commercial
24HR Emergency Service
Carrier Factory-Authorized Dealer
(705) 357-2010
16700 Side Rd 17A
Sunderland, ON
www.haroldheating.ca

A simple thermostat setting can make a bigger difference than most homeowners think.The way you set and use your thermos...
06/03/2026

A simple thermostat setting can make a bigger difference than most homeowners think.

The way you set and use your thermostat plays a big role in how efficiently your system runs and how comfortable your home feels day to day 🌡️

06/03/2026

Hey Fenelon Falls 🔥

The heat pump rebates available right now are some of the best we've seen.

If your home is heated with propane, oil, or electric backup heat, you could save thousands on a new high-efficiency heat pump while improving comfort year-round.

For 45 years, Harold Heating and Cooling has been helping homeowners make smart comfort upgrades, and we handle the rebate process from start to finish.

📞 (705) 357-2010
🌐 haroldheating.ca

Your A/C should be ready before the summer heat arrives ☀️❄️Strong airflow, even cooling, stable energy bills and quiet ...
06/02/2026

Your A/C should be ready before the summer heat arrives ☀️❄️

Strong airflow, even cooling, stable energy bills and quiet operation are all signs your system is running the way it should. Paying attention to these small details can help you spot potential issues early and keep your home comfortable all season long.

📞 (705) 357-2010
🌐 haroldheating.ca

06/02/2026

Hey Coboconk 👀🔥

We’re helping homeowners take advantage of heat pump rebates worth up to $5,000!

If your home is heated with propane, oil, or electric backup heat, you could be eligible for thousands in savings on a new energy-efficient system.

For 45 years, we’ve been helping homeowners make smart comfort upgrades, and we handle the rebate process from start to finish.

📞 (705) 357-2010
🌐 haroldheating.ca

Up to $7,500 in heat pump rebates are here this spring🔥If upgrading your system has been on your mind, this is the momen...
05/31/2026

Up to $7,500 in heat pump rebates are here this spring🔥

If upgrading your system has been on your mind, this is the moment to move. High-efficiency comfort, lower energy costs, and real savings all at once.

We handle everything behind the scenes, from helping you choose the right system to taking care of the rebate application so nothing gets missed.

No stress. No confusion. Just a smoother upgrade and money back in your pocket.

Call (705) 357-2010 or visit haroldheating.ca to get started 💻

We truly appreciate the support and positive feedback from our customers.At Harold Heating and Cooling, we’re committed ...
05/30/2026

We truly appreciate the support and positive feedback from our customers.

At Harold Heating and Cooling, we’re committed to quality work, reliable service, and taking care of our customers from start to finish🔥

We truly appreciate the support and kind words from our community.At Harold Heating and Cooling, we believe in doing the...
05/24/2026

We truly appreciate the support and kind words from our community.

At Harold Heating and Cooling, we believe in doing the job right and taking care of our customers every step of the way. Thank you for trusting our family-run company for 45 years 🔥

We appreciate the feedback and the continued support.At Harold Heating and Cooling, we take pride in showing up, doing t...
05/23/2026

We appreciate the feedback and the continued support.

At Harold Heating and Cooling, we take pride in showing up, doing the job properly, and making sure our customers are taken care of from start to finish. Hearing experiences like this means a lot to our team.

Thank you for trusting our family-run, third-generation company since 1982 🔥

05/22/2026

Hey Port Perry 🔥

The heat pump rebates available right now are some of the best we’ve seen!

If your home runs on propane, oil, or electric backup heat, you could qualify for thousands in savings on a new system.

For 45 years, we’ve been helping homeowners make smart comfort upgrades, and we handle the rebate process from start to finish.

📞 (705) 357-2010
🌐 haroldheating.ca

Address

16700 Sideroad 17A
Sunderland, ON
L0C1H0

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