Solar Thermal Cost in Markham, IL in 2026
Most Solar Thermal projects in Markham, IL cost between $5,000 and $10,000. The typical price is $7,000.
Solar thermal serves hot water rather than the whole electrical load, so systems are smaller.
Labour and materials in Markham run about 10% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Panel efficiency and inverter type
- Roof complexity and mounting hardware
- Main panel upgrade if the busbar cannot take the backfeed
- Battery storage, which is priced separately
Usually included
- Panels, inverters and racking
- Design, permitting and interconnection
- Installation and commissioning
Usually extra
- Battery storage
- Roof repair or replacement before install
- Utility interconnection fees in some territories
Unit prices in Markham, IL
| Quality tier | Cost per watt |
|---|---|
| Budget | $1.28 |
| Mid-range | $1.74 |
| High-end | $2.44 |
Solar panel installers in Markham, IL
Businesses listed on Google near Markham, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Eco Energy Services
5.0(135 reviews)
13010 W 159th St, Homer Glen, IL 60491
Volt Home Pros
4.9(133 reviews)
7777 W Lincoln Hwy Ste A, Frankfort, IL 60423
Solar Professionals of Illinois
4.9(29 reviews)
4137 Sauk Trail Ste 333, Richton Park, IL 60471
VIP SOLAR
5.0(27 reviews)
825 75th St, Willowbrook, IL 60527
Solar by Dave Stanton
5.0(8 reviews)
498 W Boughton Rd, Bolingbrook, IL 60440
Those Solar Guys
5.0(2 reviews)
5705 W Midlothian Turnpike, Midlothian, IL 60445