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Frequently Asked Questions

  • Does the $750 Water Heater Rebate Require Me to File Anything?
    No. The instant rebate is applied through the distributor at the point of purchase. Our licensed plumbers handle that process when they order the unit. You receive the savings without having to file a separate rebate form.
  • How Does the HEAT Loan Work Alongside Rebates?

    The HEAT Loan and Mass Save rebates are separate programs, and you apply them in sequence. The rebate reduces the total project cost, and the HEAT Loan finances what remains at 0% interest. Preapproval must be completed before work begins. Our team coordinates both, so neither one slows down your project timeline.

  • Are R-410A Systems Still Eligible for Mass Save Rebates?

    No. Systems using R-410A refrigerant became ineligible on January 1, 2026. Equipment must use R-32 or R-454B refrigerant to qualify. All systems we install meet the current refrigerant requirements.

Customer Testimonials

    “We are very happy with Coastal and recommend them enthusiastically!”
    “Coastal did all the HVAC efficiently, professionally, and at a price that was half what a competitor quoted. When one of the mini-splits failed shortly after installation, they attended to it immediately, diagnosing and fixing the problem promptly.”
    - Robert L.
    “I highly recommend them and will use them again!”
    “Coastal Mechanical responded in a very timely manner and quickly got my furnace back up and running. They are very fair and reasonable.”
    - Clifford C.
    “Good communication and prompt and dependable onsite work. Highly recommended!”
    “They did the plumbing, electrical and HVAC work, and also recently winterized a washing machine and water heater in my garage.”
    - Allison C.
    “I was extremely happy with my first experience with Coastal Mechanical. Thank you!”
    “Mr. David Silva did a great job. He arrived on time, was very friendly, and explained everything he was doing.”
    - Mark S.
    “The crew was first-rate!”
    “In addition Rob helped me work thru the options re replacement with a heat pump and whether it made sense for my family. Also, their pricing was very competitive.”
    - Bill S.
    “Will definitely use in the future!”
    “Had an issue the day after New Year's and Coastal really stepped up. We were not a prior client but they made us feel like we were a long time client already.”
    - Frank D.
    “We highly recommend Coastal to anyone looking for a high quality HVAC team!”
    “They have been so helpful and patient in explaining nuances of HVAC to us (we know little about these things!), never make us feel bad about asking questions.”
    - Jacki D.
    “I will definitely use Coastal in the future!”
    “Brendan came out promptly and did a great job. He was very helpful with some advice as to maintaining my system and very friendly and professional.”
    - Marilyn S.

Why Choose Coastal Mechanical?

  • In Business Since 2017
  • Financing Available
  • Over 30 Years of Combined Experience
  • Professional & Licensed Technicians
  • Mass Save Approved Contractor
  • FREE Estimates Provided Within a Week
Areas We Serve

Contact our team

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