Welcome to Lakeside Heating & Air, where all your heating & cooling services and maintenance needs are met by our top-notch technicians. Located in Arvada, Colorado since 1971, we are proud to serve the large Denver metro area with our great services. We know that our expertise, knowledge, and affordable, competitive prices will serve you well.
We are the foremost leaders in supplying you the best of heating, cooling, and boiler services and maintenance, along with many other services for your home. We choose the best brands and give you the greatest service at an affordable price. We know that in our diverse seasons that we experience of the Denver metro area, you might be feeling warm one day and cold the next. We want to help you make sure you aren’t caught off guard for the changing weather. We accomplish this by making sure both your furnace, air conditioner, evaporative cooler, or boiler system are in tip-top shape by offering affordable maintenance and maintenance agreements, and if your system fails you, we offer free in-home estimates on new equipment installations.
BBB A+ accredited, great reviews, licensed & insured, and a Colorado proud, locally owned business, choosing Lakeside Heating & Air Conditioning for your home comfort needs just makes good sense. Being in business as long as we have means we are doing something right, and we would like to make you one of our many happy, satisfied clients, by offering superior service and installations, some of the best warranties in the business, and finding the best rebates and tax credits available today.
on new equipment! request an estimate
Don’t hesitate to call us for your emergencies. We also offer FREE second opinions!
Are you sweating because you turned on your AC and don’t want to think about the bill? Modern AC are highly advanced equipment, 450 patents help make Carrier’s AC the clear choice for home cooling comfort. Learn more about what a modern AC can do for you.
Modern furnaces are virtually 100% efficient. Warm up to a barefoot house and savings on your utility bills. New furnaces are incredibly efficient in keeping your house warm and comfortable all winter long.
It's important to maintain your system from costly repairs and catch breaks before they happen or during peak seasons when you need your AC or furnace on those hot or cold days.
Save money and energy while staying comfortable. A simple change of a thermostat can mean money in your pocket and higher energy efficiency.
Colorado is dry, really dry. Combat our dry climate with whole house humidification. This isn't your grandpa's old humidifier either. Your skin will thank us and so will your family.
Kill 99.9% of the nastiness that can be found in your home*. Studies show our houses are 7 times more polluted than the outdoors. Clean the air your family breathes.
These guys were great! From the initial consultation and estimate through the install. They were fast, efficient and knowledgeable. They got the estimates back to me on the same day as the consultation. Their installers were great too! They did a great job taking out the old dinosaur and vacuuming up everything, including dog hair, before installing the new furnace. The new furnace is excellent. My last furnace was a Lennox and it lasted 44 years! That is why we went with a Lennox again.
What I like about this dealer: Proficient, Responsive, Trustworthy, Friendly, Helpful
From the quote process to the installation, these guys were the best contractors I have ever worked with. Honest, reliable and fair prices.
What I like about this dealer: Proficient, Responsive, Friendly, Helpful, Trustworthy
I used this dealer to install the heating and cooling system in a new home I just completed. I was pleasantly surprised by the installation quote. All work was completed on time. They have returned on two different occasions to answer questions and adjust the system. I am very pleased with the service.
What I like about this dealer: Responsive, Friendly, Helpful, Trustworthy
I had a great experience with Lakeside. They were able to get me a great deal on a great furnace and AC unit. They also worked with Excel Energy to maximize my rebates. They were very professional and did a fantastic job on the installation.
What I like about this dealer: Friendly, Helpful, Trustworthy
I’ve had a Lennox Furnace and AC installed by Lakeside. Both had a great price and quality install.
What I like about this dealer: Responsive, Friendly, Helpful
From the time I submitted my request to bay a new furnace in the company website I received a call from the Lakeside and they schedule an appointment to come and check my needs in details. They helped me with practical and excellent solutions to improve my heating and cool system as well and their proposal includes all details of work. In addition to the professional services, Lakeside helped me with the all paperwork’s need for the permit, rebate and financing.
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