Elementor #3522 Comfort Bilt HP50 Square Footage Heated: 2,200 ft² Max Input BTU: Not Available Price: $2399 - $2699 Cost: $1650 Margin: $714 - $1049 Comfort Bilt HP21 Square Footage Heated: 2,400 ft² Max Input BTU: Not Available Price: $2899 Cost: $1810 Margin: $1089 Comfort Bilt HP61 Square Footage Heated: 3,000 ft² Max Input BTU: Not Available Price: $3199 Cost: $1935 Margin: $1264