Mcdonnell Mechanical Services, INC

Name: Mcdonnell Mechanical Services, INC
Address: 79 School St, West Dennis, MA, 2670, US
Telephone: 508-394-0005
Rating: 5

5.0(3)West Dennis, MA

Generac · Select Dealer

79 School St, West Dennis, MA 2670

508-394-0005 MCDONNELLMECHANICAL.COM Directions

Generac 14kW Whole Home Generator, Transfer Switch & Cellular Capability

Featured · GeneracGenerac 14kW Whole-Home Standby GeneratorLowest price in 30 days$4,799−18%List: ~~$5,839~~Price as of Aug 16, 2026 · the price shown on Amazon at checkout applies.See Current Availability

Independent recommendation from GenDealers, sold on Amazon. Not offered or endorsed by MCDONNELL MECHANICAL SERVICES, INC — contact the dealer directly for equipment and installation quotes.

About Mcdonnell Mechanical Services, INC

A Generac Select Dealer offering service.

Services: Service
Authorized for: Generac· Select Dealer

Reviews

5.0 · 3 reviews

braveheart19May 16, 2022
Great People/Great Service
They came and did a great job, cleaned everything up and followed up a few days later to see if everything was working well.
KelseyJanuary 12, 2021
Great company
Very professional office and staff. The installers were very knowledgeable. Everything was neat and clean and on time. Didn't leave until all my questions were answered. Highly recommend
PeterDecember 15, 2020
Excellent service with a smile
Professional service with promises fulfilled. Highly recommend this company!

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Independent recommendations from GenDealers — not sold or endorsed by this dealer.

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Generac 22kW Whole Home Generator, Transfer Switch & Cellular Capability

GeneracGenerac 22kW Whole-Home Standby GeneratorWhole-home coverage for larger houses, with the automatic transfer switch and cellular monitoring in the box.

22 kW
ATS included
NG / LP

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Generac 6485 Scheduled Maintenance Kit for 20kW and 22kW Standby Generators with 999cc Engine Black

GeneracGenerac Maintenance Kit — 20kW & 22kWOil, oil filter, air filter and spark plugs for 999cc Guardian units, in one box.

20–22 kW
999cc engine
Kit 6485

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Generac 6484 Maintenance Kit for 12-18 kW Generators

GeneracGenerac Maintenance Kit — 12kW to 18kWEverything the annual service calls for on 12–18kW Guardian units.

12–18 kW
Kit 6484

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Generac 7101 Battery Heater Pad For 9kW–22kW Air Cooled Standby Generators

GeneracGenerac Battery Heater PadKeeps the starting battery warm so the generator cranks on the coldest night — for 9–22kW air-cooled units.

9–22 kW
Cold-weather
Kit 7101

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Mcdonnell Mechanical Services, INC is listed on GenDealers as an authorized Generac generator dealer in West Dennis, MA, offering service. Customers rate the business 5.0 out of 5 across 3 reviews. GenDealers is an independent directory; contact the dealer directly for pricing, availability and installation scheduling.