How does a standby generator work?
It sits outside on a pad and connects to your panel through an automatic transfer switch. When the utility power fails, the switch starts the generator and moves your circuits over within seconds, then switches back when power returns.
What does a whole-house generator cost?
Fixr's national range is $10,000 to $20,000 with parts and labor, and it reports about $15,000 as typical for an 18kW unit. Your fuel, lot and panel decide the final number.
How do I pick a generator size?
List what you want to run, including sump pumps, heat and any central air. The installer turns that into a load calculation. Output also depends on fuel, since most units are rated lower on natural gas.
Can I put a generator near the water?
Yes, with planning. In flood-prone areas, installers often raise the pad or choose higher ground. Local flood rules may also apply.
Do I need natural gas?
No. Propane works well where there is no gas service or where the meter cannot carry the extra load. The tank is sized for how long you want to run.
Does a generator need a permit?
Yes. Generator installs involve electrical and usually gas work, so a permit and inspection are required. The contractor should file them.
Why is a transfer switch required?
It makes the system automatic and keeps the generator from backfeeding power onto utility lines, which can kill line workers and is illegal.
Is it safe to run a portable generator in a garage?
No. Carbon monoxide can build to deadly levels in a garage even with the door open. Run portable generators outdoors, far from windows, doors and vents.
How often should a generator be serviced?
Most home units need service at least once a year. Angi puts yearly maintenance checks at about $150 to $300.
What if my generator will not start?
A weak battery is the most common cause. Note any fault code and call a technician; do not open the unit yourself.
Should I upgrade my panel first?
Sometimes. A 100-amp or full panel may need an upgrade before a whole-house transfer switch or EV charger. The electrician will tell you after looking.
What happens after I fill in the form?
We pass your request to a local electrician or generator installer who contacts you, visits if it fits and gives you a written quote. There is no cost.