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(708) 673-5633
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Commercial HVAC

Commercial HVAC service for Hillside and nearby communities

Repair and service for rooftop units, split systems and boilers in offices, retail, restaurants and multifamily buildings.

Technicians working on rooftop HVAC equipment

SquareHVAC company facts

Credential document and protection shield

Licensed, bonded and insured

Technician with a check-mark shield

EPA Section 608 Universal certification for every technician

Calendar, clock and neighborhood homes

Serving homeowners and businesses since 2009

Written quote document

Written quote before work begins

Who we serve

Commercial properties we serve

Choose the property type that best matches your building. Tell us if the affected equipment serves occupied or customer-facing space.

Offices

Heating and cooling service for offices and shared workspaces.

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Available for offices

  • Rooftop unit and split-system repair for office and meeting spaces
  • Boiler service where boilers provide the heating
  • Seasonal maintenance visits for office heating and cooling

Retail

Service for customer-facing stores and neighborhood retail spaces.

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Available for retail

  • Rooftop unit and split-system repair for sales floors
  • Boiler service where boilers provide the heating
  • Seasonal maintenance visits for retail heating and cooling

Restaurants

Heating and cooling service for dining areas and restaurant properties.

See what this covers

Available for restaurants

  • Rooftop unit and split-system repair for dining areas
  • Boiler service where boilers provide the heating
  • Seasonal maintenance visits for restaurant heating and cooling

Multifamily buildings

Service for common areas and shared systems in multifamily properties.

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Available for multifamily buildings

  • Rooftop unit and split-system service for common areas
  • Boiler repair and service for boiler-heated buildings
  • Seasonal maintenance visits for building heating and cooling

Commercial equipment

Systems we service

If you are unsure which system serves the affected area, send a clear photograph of the equipment and its nameplate with your request.

Packaged rooftop heating and cooling unit on a commercial roof

Rooftop units

Diagnosis, repair and service for packaged rooftop heating and cooling units.

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What the work covers

  • Diagnosis and repair for packaged rooftop heating and cooling units
  • Findings explained and a written quote before work is approved
  • Seasonal maintenance visits for rooftop equipment
HVAC gauges connected to split-system equipment

Split systems

Diagnosis, repair and service for split-system air conditioning and heating equipment.

See what this covers

What the work covers

  • Diagnosis and repair for split-system air conditioning and heating
  • Findings explained and a written quote before work is approved
  • Seasonal maintenance visits for split systems
Gas boiler with copper piping and an expansion tank in a boiler room

Boilers

Installation, repair and service for boiler systems in commercial buildings.

See what this covers

What the work covers

  • Installation, repair and service for boiler systems in commercial buildings
  • Findings explained and a written quote before work is approved
  • Seasonal maintenance visits for boilers

What happens next

How service works

From your first call to a written quote and work you approve.

  1. 1

    Tell us what's happening

    Describe the problem and give us the property address.

  2. 2

    We assess the system

    We inspect the equipment and explain what we find.

  3. 3

    Review your written quote

    We explain the proposed work and cost so you can decide.

  4. 4

    We begin after your approval

    Work starts once you approve the quote.

Service information

Hours and response

Emergency service is available 24/7, including Sundays. Call (708) 673-5633

Monday to Friday
6:00 AM to 8:00 PM
Saturday
8:00 AM to 5:00 PM
Sunday
Emergency service only

Non-emergency visits outside routine service hours are scheduled for the next working period.

We aim to arrive within 2 hours from the time you call, depending on the distance to your location and current availability.

Review the service area

Prepare the request

What to send us

These details help us understand the site before the visit. Send what you have; none is required to make first contact.

  • Building address and unit or suite number
  • Equipment type and visible symptoms
  • Whether occupied areas are affected
  • Access hours, roof access and site rules
  • The person authorized to approve the quote

Equipment or nameplate photographs may be emailed to contact@squarehvac.com.

Common questions from property managers

Do you work on multifamily buildings?
Yes. SquareHVAC services multifamily buildings, offices, retail and restaurants. Commercial work covers rooftop units, split systems and boilers.
Who needs to approve the work?
The person authorized for the property approves the written quote. Added work requires a written added cost and your approval.
Will work begin without approval?
No. SquareHVAC assesses the system, explains the findings and provides a written quote. Work begins after the person authorized for the property approves it.
Is SquareHVAC licensed, bonded and insured?
Yes. SquareHVAC is licensed, bonded and insured.

Commercial service request

Tell us what is happening at the property

Use the main request form or call SquareHVAC. Work begins only after the authorized person approves the written quote.

Send a request Call (708) 673-5633