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    Collins Heating & Cooling

    4.6 (18 reviews)
    Open 8:00 am - 5:00 pm

    Services - Collins Heating & Cooling

    HVAC installation or replacement

    HVAC system repair

    HVAC system maintenance

    Collins Heating & Cooling Photos

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    Recommended Reviews - Collins Heating & Cooling

    Your trust is our priority, so businesses can't pay to alter or remove their reviews. Learn more about reviews.
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    Photo of Jim H.
    2
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    3 years ago

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    Mark O.

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    4 years ago

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    Mark O.

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    8 years ago

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    Mark O.

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    5 years ago

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    Mark O.

    Helpful 1
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    4 years ago

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    Mark O.

    Helpful 1
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    8 years ago

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    Mark O.

    Helpful 1
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    7 years ago

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    Mark O.

    Helpful 1
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    7 years ago

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    Mark O.

    Thanks Samantha! Ever have any issues just give us a call.

    Helpful 1
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    Photo of Dee C.
    0
    17
    14

    7 years ago

    Excellent work at an affordable price. Extremely personable and stayed to make sure my furnace was truly working prior to him leaving.

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    Mark O.

    Helpful 1
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    9 years ago

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    Mark O.

    Thanks Doug - Always happy to help.

    Helpful 2
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    9 years ago

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    Mark O.

    Helpful 1
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    8 years ago

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    Mark O.

    Helpful 2
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    8 years ago

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    Mark O.

    Helpful 1
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    Photo of Vic M.
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    8 years ago

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    Mark O.

    Helpful 1
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    8 years ago

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    Mark O.

    Helpful 1
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    9 years ago

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    8 years ago

    I called for an estimate, showed up for the appointment but never received a follow up with the estimate not professional.

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    9 years ago

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    Ask the Community - Collins Heating & Cooling

    Review Highlights - Collins Heating & Cooling

    Definitely, we recommend Mark and Collins HVAC to others needing this kind of service in Northwest Indiana.

    Mentioned in 13 reviews

    Read more highlights

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    STI Heating & Air Conditioning

    STI Heating & Air Conditioning

    (4 reviews)

    STI Heating & Air Conditioning saved me so much money! I had another HVAC company looked at my…read morecentral air unit because it was blowing lukewarm air. The other company told me I needed a new compressor for $1699 and they took only cash. After a repairman ran off with $453 of my aunt's cash, I decided I did not feel comfortable giving the HVAC repairman $2000 (with labor) in cash. So, I told him I would seek a second opinion. I called STI Heating & Cooling who were booked for the week so I made an appointment for the following week. Ted arrived on time and was very professional. He took a look at my unit (which is 42 years old) and told me I needed a Hard Start Capacitor for $173. He also checked the amount of Freon (R22) told me I might need a little. He installed the capacitor and added a little Freon and my unit start blowing extremely cold air. Ted's work was great! He told me his father had an old unit like mines and he keeps him father's unit working. I told Ted the other repairman thought I needed a new compressor and Ted suggested maybe the other repairman was not familiar with older units like mine. I am SO glad I called STI Heating & Cooling! I told Ted they are now my go-to company for ALL my HVAC activities. I would highly recommend this company - they proved to be a huge money saver for me.

    The service was amazing! Customer service was very helpful and the technician provided excellent…read moreservice. And they were reasonably priced! I would definitely recommend STI Heating & Air Conditioning to anyone looking for repair and/or great service. Will definitely contact them again for future repairs and checks. :)

    Collins Heating & Cooling - hvac - Updated May 2026

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