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Avatar for Elevation Electric, LLC
Elevation Electric, LLC
4.8(
54
)
Fixed Generator - Install

Serving Northglenn, CO and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"I chose Elevation Electric to install an outlet in our garage for our new Nissan Leaf because he was the ONLY installer recommended on both the Xcel Energy site and here. I heartily agree. Our new outlet is in a great spot and works perfectly. Joe worked quickly, had to drill through brick walls and cleaned up the mess. He was forced to cancel our initial appointment due to complications on the job before ours. So what did he do? He rescheduled for a Saturday because he hated to have inconvenienced us with the cancellation and he was already booked for the next week. Nice guy, good work!"
Response time2 days
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for New Phase Electric, LLC
New Phase Electric, LLC
5.0(
7
)
Fixed Generator - InstallPortable Generator - Install

Serving Northglenn, CO and surrounding areas

Approved

In business since 2000

Free estimates

Small jobs welcome

"Installed a 12 circuit generator cutover panel. Works great. Would have preferred the cables to be behind the drywall. But a solid job that passed Jeffco and Xcel inspections easily."
Brent's house
custom house
Custom light's
custom lights
Govee lights

+1

Response time2 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Productive Electric, LLC
Productive Electric, LLC
4.9(
14
)
Generator - Install - For Business

Serving Northglenn, CO and surrounding areas

Approved

In business since 1992

Free estimates

Credit card accepted

"Very professional, courteous and efficient company. Tom quickly diagnosed the problem and had us up and running in 45 minutes. We really appreciated how quickly Bill got things going for us. I highly recommend Productive Electric for their excellent customer service and reasonable fees."
Response time1 day
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Absolute Electrical, Heating & Cooling, LLC
Absolute Electrical, Heating & Cooling, LLC
4.3(
328
)
Fixed Generator - Install

Serving Northglenn, CO and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"In 2 days I had absolute out for a/c problem and to install a new attic fan system. Hector, Jovanny were the 2 main contacts for the projects. Very professional, explained what they were doing and answered any questions I had. Will definitely use absolute again."
Mini Split
Heated driveway
Furnace Inspection
Laying conduit for exterior electrical work
Electrical Panel Replacement

+34

Response time1 day
Recommended by91%of homeowners
Avatar for JL ENGINEERING SERVICES LLC
JL ENGINEERING SERVICES LLC
5.0(
15
)
Portable Generator - Repair

Serving Northglenn, CO and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Jesus, replaced and repaired multiple Fire Alarms and installed multiple light fixtures. I have also used his lawn service for replacing sprinklers heads and blow outs. I HIGHLY recommend Jesus and have plans to use his team again."
7 neighbors recently requested a quote
Avatar for Just In Time Electrical Services
Just In Time Electrical Services
4.9(
32
)
Fixed Generator - InstallPortable Generator - Install

Serving Northglenn, CO and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Just In Time installed a new attic fan and temperature control. The experience was great from start to finish. The first visit was a diagnosis and then an appointment was scheduled to replace the old fan with a new fan. The install of the fan was an excellent experience. The crew was able to arrive early, they confirmed it was OK to show up early prior. The install went smooth, the crew was efficient, friendly and cleaned up in no time. I would recommend and use Just in Time in the future!"
Response time6 hrs
5 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for DN Electric LTD
DN Electric LTD
5.0(
7
)
Portable Generator - Install

Serving Northglenn, CO and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

DN ELECTRIC LTD proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today! \n

Electric
Basement receptacles
Basement receptacles
Basement receptacles
Basement receptacles

+1

5 neighbors recently requested a quote
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Showing 1-10 of 157
Generator Install questions, answered by experts

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.

If your home already has a grinder pump and you’re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.

While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

The Northglenn, CO homeowners’ guide to generator installs

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