energy efficiency
19 questions
What's the simplest way to add hot water recirculation to reduce wait time and water waste?
10 views
tools
water heaters
How do I troubleshoot a sudden large increase in home electricity usage?
12 views
troubleshooting
electrical
How can I upgrade attic insulation and ventilation safely and affordably?
20 views
ventilation
attic
What's the most cost-effective way to improve basement heating and reduce drafts?
11 views
weatherization
basement
What's the most effective, low-cost way to reduce moisture and drafts in an older uninsulated home?
18 views
weatherization
moisture control
What inexpensive methods improve insulation for single-pane windows?
42 views
windows
insulation
How can I tell if my rim joist needs sealing or insulation repair?
36 views
basement
air sealing
What's the most cost-effective way to insulate a garage ceiling without removing drywall?
40 views
safety
insulation
How do I decide between repairing existing wood windows or replacing with full-frame units?
99 views
carpentry
windows
How do I reduce heat loss and cold drafts in a room with a metal or tin roof?
47 views
roofing
building science
How can I provide make-up air for exhaust fans in a home without a central HVAC system?
53 views
ventilation
safety
What factors should I consider when choosing a replacement water heater for efficiency and cost?
69 views
water heaters
safety
How do I insulate a drafty exterior wall from the interior without causing mold or moisture issues?
50 views
moisture control
building science
What's the best way to insulate a rim joist (beam rim) in an older home?
48 views
basement
safety
Is a ductless mini-split a cost-effective solution for heating or cooling a single room?
83 views
heating
hvac
Can I convert a vented attic into conditioned space, and what insulation steps are required?
109 views
attic
insulation
How can I heat and cool a small upstairs bedroom affordably without running new ductwork?
96 views
heating
hvac
How do I replace weather stripping around doors?
99 views
doors
carpentry
How can I improve insulation in my attic?
94 views
safety
attic