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Learn about our screening process

100% Recommended

10 Years In Business

Company Details

  • Verified Licenses


  • Mon: Open 24 Hours
  • Tue: Open 24 Hours
  • Wed: Open 24 Hours
  • Thu: Open 24 Hours
  • Fri: Open 24 Hours
  • Sat: Open 24 Hours
  • Sun: Open 24 Hours
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work
  • Small Jobs Welcome

Areas of Expertise

  • Plumbing & HVAC install and services
  • Excellent Customer Service
  • 24 Hour Service
  • Residential
  • Commercial
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Trip Charge May Apply
  • Credit Cards Accepted


28 Verified Reviews
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 28 reviews Showing 0 reviews
5.0 David J. Southwick, MA

A new bathroom on the second floor was a big job. Tandemâ s crew was on time and made steady progress every day. Great company.

5.0 Matt J. Pittsfield, MA

Josh and his team were awesome. They gave me a quote quickly, came out a few days later (our job wasn't a rush), and did an awesome job. They installed our water heater and vented it outside in under 3 hours. They left our basement spotless after the install too. Very very friendly and polite as well. If I ever need any other plumbing/HVAC work I'm going to reach out.

5.0 Andy L. Worcester, MA

Josh and his team are professional, experienced and productive! I appreciate that he was able to repair my pipe with an cost effective approach. I would recommend Tandem Mechanical.


Josh and his team was real quick with the installation and I believe the price is amazing for a brand new combination unit, best price around my area would highly recommend if your looking to install any heating unit

5.0 Vladimir G. Shrewsbury, MA

Just in time. Affordable and reliable company!!! Thank you Josh.

5.0 Alon C. Leominster, MA

Hired them for emergency service and they did a great job on the same day. Pricing was what we expected, about 30% less then other quotes we got from franchises .

5.0 Dan M. Granby, MA

Great price, great turnaround time, great service!

5.0 Marc S. East Otis, MA

The crew of three were knowledgeable, hard working, efficient and very pleasant.

5.0 John R. Chicopee, MA

Josh and his team did excellent work! He communicated efficiently and gave us fair and up-front pricing. They also responded quickly! I would highly recommend Josh and his team at Tandem Mechanical to others! We're very happy and satisfied customers!

5.0 Mary C. Springfield, MA

Excellent job friendly workers. Very well done. Everything was cleaned up. Would highly recommend them.

Showing 1-10 of 28 results Showing 0 of 0 results
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Tandem Mechanical
Tankless Water Heater Ins

HomeAdvisor allows Service Professionals to post information about themselves and their business on their profile. HomeAdvisor does not review or verify the information representations set forth in those profiles as they are self-reported by the Service Professional.

HomeAdvisor verifies state-level licensing where applicable - note: some states require local or county level licensing and you should verify whether or not your pro is properly licensed.
To find more licensing information for your state, visit our Licensing Requirements page.

Seal of Approval

What is the screening process that Service Professionals go through in order to become members of the HomeAdvisor network?

  1. Verify Trade License
    HomeAdvisor checks to see if the business carries the appropriate state-level license.
  2. Verify Insurance
    As a part of our screening process, we encourage professionals to carry general liability insurance. We require coverage for hundreds of services.
  3. Verification of State Business Filings
    For business types that require a Secretary of State filing, we confirm that the business is in good standing in the state in which it is located.
  4. Criminal Records Search
    HomeAdvisor uses 3rd party data sources to conduct a criminal search for any relevant criminal activity associated with the owner/principal of the business.
  5. Sex Offender Search
    We confirm that the owner/principal is not listed on the official state Sex Offender web site in the state in which the owner/principal of the company is located.
  6. Bankruptcy Search
    We use 3rd party data sources to check the history of the principal/owner of the business for bankruptcy filings by or against them.
  7. Legal Search for Civil Judgments
    We use 3rd party data sources to check the principal/owner of the business for state level civil legal judgments entered against them.
  8. Liens Search
    We use 3rd party data sources to check the principal/owner of the business for liens placed against them.
  9. Identity Verification (SSN)
    HomeAdvisor verifies the social security number(s) of the owner/principal for identity check purposes. This check applies primarily to smaller business entities.
  10. Identity Verification (Reverse Phone Lookup)
    We conduct a reverse business phone lookup to identify records matching the phone number information provided by the business.

NOTE: Member service professional information confirmed as described above may change or expire over time; while HomeAdvisor attempts to maintain accurate and up-to-date information, and confirms changes when notified, we cannot guarantee that profile and screening information is accurate. Therefore, we recommend that before working with a service professional you verify that information presented is still current and/or acceptable to you.
Please see HomeAdvisor's Terms and Conditions for a full description of how we screen Service Professionals

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