Table of Contents
How much does a generator set cost?
This type of generator costs between $6,000 and $11,000 on average, which includes purchasing and installing the unit….Generator Cost by Size.
Generator Size | Price Range | Coverage Area |
---|---|---|
13 to 16 kW | $3,500 – $4,500 | Up to 1,500 sq ft home |
17 to 20 kW | $4,000 – $6,000 | 1,500 to 3,000 sq ft home |
What is the best generator for the price?
The Best Portable Generators on Amazon, According to Hyperenthusiastic Reviewers
- Champion 3800-Watt Dual Fuel Portable Generator.
- Champion 7500-Watt Dual Fuel Portable Generator.
- Generac 7117 Gp2200I W 50St Inverter, Orange.
- Jackery Portable Power Station Explorer 240 Solar Generator.
- Wawui Portable Solar Generator.
How much generator do I need for my house?

The typical house will need about 25 to 40 kilowatts, so a 20kw generator is too small. An average American home needs around 30 to 50 kilowatts of power for its basic electrical needs. In order to ensure that your home has enough electricity when the grid goes down, you’ll want at least a 30 kW generator.
How long do generators last?
On average, a standby generator can run for up to 3,000 hours powering a medium-sized home, though it is recommended you do not run a generator for longer than 500 hours continuously. Two factors affect the amount of time a whole house generator can continue to run: Generator type. Fuel source.
What size generator do I need for my home AC?
If you have a 3-ton (30-Amp, 36,000 BTUs) air conditioner, you need at least a 14 KW generator. If you have a 4-ton (40-Amp, 48,000 BTUs) air conditioner, you need at least a 17 KW generator. If you have a 5-ton (50-Amp, 60,000 BTUs) air conditioner, you need at least a 20 KW generator.

Which generator is suitable for 1.5 ton AC?
The KVA for a motor that consumes 1438 watts will probably be between 1.7 and 2.6 KVA. Watts = VA X Power Factor It is customary for engine generator sets to be designed for 0.8 maximum power factor so 5000 VA X 0.8 = 4000 W would be expected. These are the details I could find for the AC .
How much does it cost to purchase and install a whole house generator?
Whole house generators cost $6,000 to $11,000 on average, including installation. Home generators cost $3,000 to $6,000 alone, and the cost to install a whole-house generator is $3,000 to $5,000. Generac generators cost $2,000 to $5,000 for a whole-house unit, without installation.