Can A Natural Gas Generator Power A Whole House? Answered

Here is all information Can A Natural Gas Generator Power A Whole House? In the Bay region, power outages are becoming more frequent, so we are vast supporters of whole-house generators if only to keep your fans and air conditioning working during an outage.

Sometimes, people need to remember that there is no such thing as a free lunch. When your electric power goes out, your whole house generator will still need to be powered by an alternative source, which is frequently a dedicated natural gas line.

You may be debating if a whole-house generator is necessary. How frequently you lose electricity will affect your response. A portable generator may suffice. However, even this type of generator needs a power supply, gasoline. And as we’ll cover below, a dedicated natural gas connection is more practical, efficient, and safe than dealing with gasoline, even though you need it for the lawn mower.

Can A Natural Gas Generator Power A Whole House?

We advise getting a whole-house natural gas generator if it is within your price range. You need a unit that can power your complete HVAC system, not just a few items if you want to maintain a specific indoor temperature and continue to clean the air within.

Natural Gas Generator Power A Whole House

Thus, why do people own whole-house generators? Uninterruptible power is, of course, the apparent benefit. Summertime air conditioner failure is not just uncomfortable; it can be downright suffocating. The issue is that when the temperature rises, everyone switches on their air conditioning to cool off, which puts more stress on the electricity grid and raises the likelihood of disruptions.

Generators come in two varieties: whole-house and portable. A whole home generator is permanently connected to your electrical system and is intended to start immediately after a utility interruption, typically within 30 seconds.

The generator turns off on its own when the power is restored. A whole-house generator has more power than a portable generator fuelled by gasoline. Usually, it can only supply power to several appliances or rooms, not the whole house.

Why You Need A Natural Gas Generator?

Continuous Power

When there is a power outage, a natural gas generator automatically detects it and starts up to give almost uninterrupted power. Many homeowners will only be aware that the electric utility has turned off the electricity. You’ll be aware that the power is out if you’re using a portable generator. The portable generator must be manually started outside (perhaps in the middle of a storm).

Longer Lasting

Your natural gas or liquid propane source is immediately connected to a natural gas generator. They won’t run out of fuel like a portable generator might. There’s no need to refuel the portable generator outside, possibly amid that storm.

Power The Whole House

They are referred known as “whole home” generators for a reason. Portable generators can power only a few essential gadgets. A complete house generator powered by natural gas is preferable if you don’t want to decide whether to keep the television and game console on or the refrigerator running.

Portable Generators With A Transfer Switch Option

Although a home generator has numerous advantages over a portable generator, only some people want to invest money in one. A portable generator might be sufficient to keep some essential appliances operating during a power outage, such as your refrigerator and the lights in the family room.

Portable Generators With A Transfer Switch Option

Connect extension cables to the appliances you wish to keep running from the portable generator. Yet consider the chance of tripping over an extension cord while making your way to the kitchen while the house is dark. You shouldn’t give it much thought.

You can attach a transfer switch to a portable generator to do rid of the trouble and potential risks associated with extension cables. The generator can power the chosen appliances and rooms with the help of this device, which is connected to your electrical circuit box. To install a transfer switch, you require a licensed electrician.

Sump Pumps Keep Pumping

Your sump pump must run continually if there is a storm and your cellar is prone to flooding. Otherwise, you end up with a pool in your basement. Even during the heaviest downpours and the most extended power outages, a natural gas generator ensures that your sump pump continues to operate without interruption.

Connect To Your Generator

Are you away from home and must confirm that your whole-house generator is operational? The status of many high-end whole-house generators may be checked remotely using a computer or smartphone. Even the restoration of utility power can be announced to you by the generator.

How Does A Natural Gas Generator Works With HVAC?

It’s crucial to find out how many start-up amps your outdoor unit needs if you opt to purchase a whole-house generator in the hopes that it will keep your HVAC system operating during a power outage. The outside unit is a heat pump if your system combines gas and electricity. The exterior component of an all-electric system is a condenser.

Both systems depend on electricity for the blower motor inside and the outdoor unit to move air throughout the house. The outside unit’s compressor and fan motor typically require a more excellent amp draw to start up. Your generator won’t be able to produce the required amount of power if the start-up load is too high and trips the breaker.

How A Natural Gas Generator Works With HVAC

Your HVAC technician can install a Soft Start Kit if your electrician and qualified home generator contractor determine that the start-up amps are too high. This kit allows the HVAC system to start gradually by cutting the initial load amps by up to 68%.

The running amps are lower than the start-up amps once the system has started. Ensure your generator can support the running amps while supplying power to other desirable devices as needed throughout your home.

Whole House Standby Vs Portable Generator For House

Smaller and portable, with power output ranging from a few hundred watts to many kilowatts, it is a portable generator for your home. To be sure that a generator of this size has enough power, you should estimate your power usage and requirements. Usually, these are sufficient to power a few lights, a refrigerator, and other appliances. They are also perfect for cabins, RVs, camping, and construction sites.

This generator could power more if your house is tiny, but it won’t be enough to power the entire thing. You’ll need to decide which objects are most essential and occasionally shut the generator off to prevent overheating.

You’ll need to use sturdy extension cords to directly connect your refrigerator, lamps, and other small appliances to the portable generator. Because these generators are outdoor devices, be sure the electrical cords are designed for outdoor use. When using them, keep them safely away from your home.

As these generators emit carbon monoxide, they must remain outside your house to allow the pollutants to escape into the atmosphere. Place them distant from your house so the exhaust releases. They may also be incredibly noisy.

If you exit the doors and windows open, you should never use a portable generator inside your home, barn, or garage. As the emissions of carbon monoxide increase, they turn toxic and even lethal.

These generators require total manual operation, so you must set them up, fill them with gas, and start and stop them as necessary. They have a loud, gas-powered lawnmower-like sound. Because they have small, air-cooled engines, they can only operate for a short period until their fuel runs out.

The generator may overheat and stop working entirely if you attempt to operate too many appliances or leave them running for an extended period. Everything currently linked may also be harmed.

How To Choose Best Whole House Generator?

Find the most excellent whole-house generator with these suggestions. Also, keep in mind that you ought to purchase it before you require it. In order to avoid blunders, make sure you are prepared to maintain it and that your model is well-researched.

How To Choose Best Whole House Generator

Prices may be raised if you need a generator immediately because of a significant power loss. You may not find a generator in stock in some circumstances, much less the one you desire. To ensure safety and compliance with all building codes and ordinances, it must also be professionally installed by a qualified electrician.

(This includes where the generator is located in your yard and how close it is to your house and property lines.) Install one before you think you need it by making a plan. Consider the fuel source you wish to utilize when selecting the best whole-house generator, and ensure you get the proper size.

What Size Whole House Generator Do I Need?

What size generator do I need to power my entire house? It’s crucial to think about the size of the generator you need to power your entire home. You must select one of the following possibilities:

  • If you want uninterrupted power for everything
  • Are you ready to give up using the dishwasher or washing machine, among other things, when there is an outage?

Calculate the optimal generator size for your home depending on your electricity demand if you want everything to run smoothly and a whole-house generator to power everything. You can ask your neighborhood electric utility for information on your electricity usage.

Find out your daily average in kilowatts by comparing months. Find out your peak usage day in a summer month and your maximum usage in kilowatts in a winter month in addition to your daily usage. Gather that information and discuss it with the generator dealer you are buying from.

They’ll provide you with advice on the appropriate size. Use a generator sizing calculator if you want a standby house generator but don’t want it to be required to power everything during a power outage. It would help to decide what you want to power during the day to do this. Why do you need a backup power supply?

Power Consumption

Think about these averages to help you estimate your power requirements. Although wattage requirements will vary depending on the device, in general, they are as follows:

  • Refrigerator: 600 – 800 watts per hour
  • Electric Stove: 2,500 watts
  • Electric Oven: 5,000 watts
  • Microwave: 1,200 watts
  • Toaster: 1,100 – 1,700 watts
  • Coffeemaker: 400 – 800 watts
  • Computer: 500 -2,000 watts
  • TV: 100 – 350 watts
  • Lamp: 150 watts

Your HVAC and other large systems will need vastly more power:

  • Water Heater: 3,000 – 4,500 watts per hour
  • Space Heater: 1,300 watts per hour
  • Window Air Conditioner: 600 – 1,500 watts per hour
  • Water Pump: 1,000 – 2,000 watts per hour
  • Electric Furnace: 5,000 – 25,000 watts per hour
  • Central Air Conditioning: 2,000 – 4,000 watts per hour

Size up the most excellent whole-house generator once you know how many kilowatts you’ll need to live comfortably. One that is 20 to 25% more powerful than the largest load you’ll need to run is ideal. Quality generators operate around 80% of their potential, leaving some additional power available if you need to connect anything else.

Spend a lot of money on a vast kilowatt generator if you want all of the electrical appliances in your home to function constantly. This way, you will need modern conveniences when the power goes out.

Also, the person you hire to install the generator can advise you beforehand on the generator you need for your home and where to place it on your land. Before making a purchase, discuss your options with an installation if you need clarification about the size you require, particularly regarding your budget.

Can I Install A Whole House Generator Myself?

An installation guide will be included with the generator. It’s best to let a qualified professional install your entire house generator, even if you’re handy. An expert technician will install it in the proper location and connect it to the leading natural gas supply of the house.

Also, hiring someone will provide you with someone to contact if you require assistance or have a problem later on. Having this documentation will also be beneficial for potential purchasers. After performing the necessary calculations, you can conclude that installing the generator yourself is worthwhile.

Remember that a professional will also install your automatic transfer switch, protective case, and whole-house generator. An expert will also ensure that the generator’s amperage switch matches the panel in the house.

The installer can upgrade your electrical system simultaneously for you if it needs to for the generator to function correctly. Although it will cost money, you can rest assured that the generator will function safely. The fact that the installer is a pro adds to its value.

They’ll provide you with the necessary insider knowledge regarding the generator that can power your home, allowing you to feel more assured about your purchase and the protection it will provide for your family.


Here we conclude all about Can A Natural Gas Generator Power A Whole House? Remember the actual cost of the generator, installation, fuel, and maintenance while making your purchase decision.

Future repair expenses could also be incurred. You can spend more money staying at a hotel if the electricity goes out. You might spend your time outside the home at eateries and shopping centers to benefit from their influence.

Due to an inactive alarm system while your home was unoccupied, you might discover that you need to pay to replace any items taken while you were away. They might not happen frequently, but they could. As long as you have a generator, you may rest easy in your house until the electricity is restored.

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