Our story
About SquareHVAC
A family-owned heating and cooling business in Hillside, Illinois, run by Sam. Serving homeowners and businesses since 2009.


Verified on the SquareHVAC Google Business Profile. Checked October 14, 2026. Read all reviews on Google
Meet the owner
Meet Sam, the owner of SquareHVAC
Service built on personal accountability
When your heating or cooling stops, you need more than a company name. You need someone you can trust in your home.
I started SquareHVAC in 2009 as a family-owned business on Clayton Road in Hillside. From the beginning, my goal was simple: provide the kind of service I would want for my own family—clear answers, careful work and no pressure to make a decision before you are ready.
HVAC problems can feel overwhelming. You may be worried about the cost, unsure whether a repair will last or concerned that you will be told to replace equipment you do not fully understand. My job is to make the situation clearer.
I inspect the system, explain what I find in plain language and show you the issue when it is helpful. Before work begins, you know what the recommended option is, what it involves and what it will cost. If repair makes sense, I will tell you. If replacement is the more practical long-term choice, I will explain why and let you decide.
SquareHVAC is local, personal and accountable. When you invite us into your home or business, you should feel respected, informed and comfortable with every next step.
Whether you need a small repair, routine maintenance or a new system, the standard stays the same: careful work, clear communication and respect for your time, your home and your budget.
My customers notice. One wrote:
Patient, explained what was happening, transparent the whole way.
— Google review
Another wrote:
Thanks Sam for being patient with us.
— Google review
That means more to me than any certificate on my wall.
Many people call me for one furnace and stay for years. One customer wrote:
Definitely gained a customer for life.
— Google review
Another said:
My son in law has used them too and very happy with all their work.
— Google review
That is what I work for: to be the company you trust in your home, and the one you recommend to your family.
Since 2009, on the same streets, my customers have recommended me to their families.
Come and see why.
— Sam, owner of SquareHVAC
Sam's promise
Here is what you get from me

Written quote first
A written quote before any work starts, with parts and labor listed separately.

Fair, honest prices
The price you approve is the price of the work. If we find more work after you approve, we stop, explain it and give you the added cost in writing before we continue.

Answered at 2 a.m.
A phone that is answered at 2 a.m., because emergency service is available 24/7, including Sundays.

Licensed and certified
A licensed, bonded and insured business, and technicians who all hold EPA Section 608 Universal certification.
Sam, owner of SquareHVAC
What happens next
How service works
From your first call to a written quote and work you approve.
- 1

Tell us what's happening
Describe the problem and give us the property address.
- 2

We assess the system
We inspect the equipment and explain what we find.
- 3

Review your written quote
We explain the proposed work and cost so you can decide.
- 4

We begin after your approval
Work starts once you approve the quote.
There is no membership, no contract and no recurring plan. A visit is a single bookable appointment.
Our team
The people on the visits
Our employees undergo background checks, and every technician holds EPA Section 608 Universal certification.

Common questions
Is SquareHVAC a family business?
Does SquareHVAC work for businesses as well as homes?
How do I reach Sam's office?
Which suburbs does SquareHVAC serve?
Is SquareHVAC licensed and insured?
Heating and cooling service · Hillside IL
Heating and cooling service in Hillside IL
SquareHVAC repairs, replaces and maintains heating and cooling systems for homes and businesses in Hillside IL and the surrounding communities.
We inspect the equipment, explain what we find and provide a written quote with parts and labor listed separately. You decide if and when the work happens. Serving homeowners and businesses since 2009.
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Family-owned business
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Licensed, bonded and insured
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Serving since 2009



