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Avatar for All Phases Mechanical
All Phases Mechanical
4.5(
75
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving North Eastham, MA and surrounding areas

In business since 1983

Free estimates

Emergency services offered

"Our experience with All Phases Mechanical has been excellent. On the first occasion we used APM, we lost heat during a cold snap in the middle of winter. We called in the morning and a technician arrived that afternoon and quickly determined that not only was our 20 year old furnace in need of expensive repairs (which a friend of ours in the construction industry validated), but continuing to run it would potentially result in a carbon monoxide hazard to my family. Carl gave us clear options and helped us understand benefits (rebates, no interest loans, etc.) that are available from the state to assist families in our predicament. We decided to move forward with a new furnace and Carl's team installed it the next day. On the second occasion, APM helped us our central air conditioning system. Again, Carl sent a technician who arrived promptly the same day, who determined that the air conditioning system was fine but it wasn't working properly due to faulty wiring. He quickly fixed it and was on his way - all at no charge. I can't say enough about All Phases Mechanical. If you're looking for a local company that cares about its customers (and understands that heating and cooking problems need to be addressed quickly), All Phase Mechanical is the company you should use."
Additional Photos
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+6

Recommended by90%of homeowners
Avatar for Biondich Electric
Biondich Electric
5.0(
17
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving North Eastham, MA and surrounding areas

Free estimates

Emergency services offered

"Was not sure whether issue was with a particular fixture or an outlet. When I explained the problem to Mat, he had a pretty good idea what it might be. Scheduled the visit, punctual, identified the issue (which was what he suspected), explained it to me, and quickly resolved it."
This was just a office space for members of a golf club
Kitchen and additional remodel
Recessed lights
Kitchen and additional remodel
Recessed lights

+26

Recommended by100%of homeowners
Cape Cod Independent Power
3.5(
13
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving North Eastham, MA and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"If I could give this company an A+++ I would. From the beginning, the entire job was explained over the phone, very detailed and 100% transparent. No surprises. The work was scheduled immediately an ended up being completed 3 weeks ahead of schedule- which is key when you're entering winter and you need a generator for blackouts in stormy weather. The installers showed up on time on every single occasion. They were quick, reliable, NICE, clean, and steadfast. The management kept me informed by telephone each time they were coming by my property and explained exactly what they were completing that day. The entire job was completed in roughly 8 days including permits. I have also contacted Cape Cod Independent Power post install and they respond 100% of the time in an extremely quick manor. I've been dealing with contractors for over 20 years and this team is one of the best I have ever dealt with. A true pleasure to work with."
Recommended by75%of homeowners
Avatar for Shameless Plug Electric LLC
Shameless Plug Electric LLC
5.0(
6
)
Portable Generator - Install

Serving North Eastham, MA and surrounding areas

In business since 2023

Free estimates

Credit card accepted

"Austin and his guys are always professional and personable. I have used him for countless projects and I am always impressed with the quality of work. Highly recommend for any electrical project!"
Response time2 hrs
Response rate93%
Recommended by50%of homeowners
Showing 1-10 of 29
Generator Install questions, answered by experts

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

It is safe to run a generator continuously, but you must follow safety protocols to ensure personal and home safety. Read the manufacturer’s instructions for specific recommendations, but the general recommendation is to turn generators off overnight or when you’re away from the house. Overworked generators can pose a fire hazard and if your generator is not in a well-ventilated area, running it continuously could lead to carbon monoxide poisoning.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Costs range from $500 to $2,500, depending on generator type and installation complexity.

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

The North Eastham, MA homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.