DMES LLC

DMES LLC Diversified Mechanical & Electrical Systems

DMES LLC (Diversified Mechanical and Electrical Systems) offers HVAC and electrical services in Montgomery, Bucks, and Philadelphia counties in PA.

05/26/2026

Another Bosch system installation completed by DMES LLC.

From old equipment to high-efficiency comfort — this customer is now ready for the summer heat and winter cold with a reliable new Bosch setup installed the right way.

✔️ Heating
✔️ Cooling
✔️ Electrical
✔️ Clean, professional workmanship

📞 Call DMES LLC today for your heating, cooling & electrical needs.
610-507-1617

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05/12/2026

Heat Pump Replacement Complete❄️🔥

Out with the old in with the new. New Carrier Heat Pump & Air Handler installed for returning customer/ local church.

A few before and after shots from the project. Summer temperatures are right around the corner — now is the time to replace aging or unreliable equipment before the heat arrives.

Call DMES LLC for system replacements, service, and installations.

📞 610-507-1617

Combi boiler maintenance done right ✅Full service on this unit — cleaned the heat exchanger, flushed out buildup, checke...
05/03/2026

Combi boiler maintenance done right ✅

Full service on this unit — cleaned the heat exchanger, flushed out buildup, checked combustion, and made sure everything is running safe and efficient. Caught early buildup that would’ve turned into a bigger issue down the line.

This is why annual maintenance matters. Keeps your system running strong, prevents breakdowns, and saves you money over time.

If your boiler hasn’t been serviced in a while, now’s the time.

📞 610-507-1617
DMES LLC – Heating • Cooling • Electrical • Generators

04/22/2026
03/18/2025

Have you seen this positive customer review? Check it out! We love hearing from you!

"Our experience with DMES was so positive...after six days without heat (and with others who wouldn't or couldn't fix it), Jacob managed to get our 25 year old HVAC system up and running during the coldest week we've had this winter. He bought us time so we could make an educated decision for what/how to replace the entire system later this spring. Highly recommend."

We hope to provide you with the same level of customer satisfaction! To get started with our services, contact us today.

https://www.dmespa.com/reviews

Replacement of main panel and sub panel with new single main panel. Replace your older panels with new for the safety of...
12/21/2024

Replacement of main panel and sub panel with new single main panel. Replace your older panels with new for the safety of you and your family. The panels replaced are known to have multiple points of failure including the breakers which could lead to fires and other damages in your home. Don’t wait until it is too late!

New sub panel for detached garage, 200’ service entrance cable pulled through conduit from main panel at house. Also ins...
12/13/2024

New sub panel for detached garage, 200’ service entrance cable pulled through conduit from main panel at house. Also installed 30 amp and 50 amp RV receptacles at detached from new panel. Whatever your electrical needs are we can take care of it!

Upgrading to a heat pump water heater offers numerous benefits over traditional gas or electric models. They are highly ...
12/10/2024

Upgrading to a heat pump water heater offers numerous benefits over traditional gas or electric models.

They are highly energy-efficient, reducing utility bills by up to 50%. Heat pump water heaters have a longer lifespan, often exceeding 15 years, and can enhance indoor air quality by dehumidifying.

Additionally, many incentives and rebates are available, making the transition more affordable. With quieter operation and smart technology integration, heat pump water heaters provide modern convenience and sustainability, contributing to a greener future.

Make the switch today for savings, efficiency, and environmental impact!

Reminder to all those with a tankless water heater or combination boiler, yearly maintenance/ service is required. The c...
12/08/2024

Reminder to all those with a tankless water heater or combination boiler, yearly maintenance/ service is required. The corrosion of this water heater is from the lack of maintenance and it was only 5 years old. Save yourself the costly price of early replacement $5-$8k by getting your tankless water heater serviced yearly $150- $200! Either way we at DMES can handle both!

Address

Services Available In:
Willow Grove, PA
19090

Opening Hours

Monday 7am - 6pm
Tuesday 7am - 6pm
Wednesday 7am - 6pm
Thursday 7am - 6pm
Friday 7am - 6pm
Saturday 9am - 5pm

Telephone

+16105071617

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