Solar tubes lose brightness over time as dust and grime accumulate on both the exterior dome and interior diffuser — regular cleaning restores much of the lost light output. Clean both the exterior dome and interior diffuser separately, using mild soap and a soft cloth, roughly once or twice a year. Solar Tube Cleaning Steps Read more »
Running electrical wiring to outdoor lighting can be expensive or impractical, but several non-wired options provide reliable illumination without an electrician. Solar-powered lights are the most popular no-wiring option, with battery-powered and wind-powered lights as additional alternatives. Outdoor Lighting Options Without Electrical Wiring Option Pros Cons Solar-powered lights Free ongoing power, easy install Requires sun Read more »
Solar panel ratings on a datasheet reveal far more than just the wattage number printed on the box — understanding these specs helps buyers make informed comparisons. Panels are rated under Standard Test Conditions (STC), with full datasheets covering power, voltage, current, temperature coefficient, and fill factor. Key Solar Panel Rating Specs Spec What It Read more »
If you’ve ever owned solar lights, then you know the problem of yellow oxidation. This is when the plastic on the light starts to turn a yellowish-brown color, and it’s not attractive at all. The good news is that you can fix this problem using a homemade oxidation-removal solution. If you follow these steps, your Read more »
Connecting solar panels to the utility grid requires proper equipment, permits, and utility approval — a process handled by your installer but useful to understand. A grid-tie inverter, proper permitting, and utility interconnection agreement are all required before a grid-tied system can operate. Grid Connection Process Step What Happens 1. System design/permitting Plans submitted for Read more »
Building a DIY solar refrigerator setup lets off-grid homeowners and campers keep food cold without relying on grid power or fuel-based cooling. A DC compressor fridge paired with a properly sized solar panel and battery bank is the most practical DIY solar refrigeration approach. DIY Solar Refrigerator Sizing Fridge Size Daily Power Draw Recommended Panel Read more »
Starting a solar business can be a lucrative path in a growing industry. Success requires NABCEP certification, startup capital ($10,000-$50,000+), and a solid business model — whether installation, sales, or consulting. Business Models in the Solar Industry Model Startup Cost Notes Installation company $20,000-$100,000+ Requires licensing, crews, equipment Sales/lead generation $5,000-$15,000 Lower barrier, partner with Read more »
Installing a solar tube brings natural daylight into a windowless space, and while it’s more DIY-accessible than a skylight, the process still requires careful roof work. The installation involves cutting a ceiling and roof opening, installing flashing, running the reflective tube, and sealing everything weathertight. Solar Tube Installation Steps Step What Happens 1. Locate and Read more »
DIY solar heaters can supplement home or space heating using simple, inexpensive materials — though they work best as a supplemental heat source rather than a primary system. Soda can heaters and window box collectors are the most popular DIY solar air heating designs. DIY Solar Heater Designs Design Complexity Best For Soda can heater Read more »
Ads promising “free solar panels from the government” are misleading — no federal program gives away solar panels outright. What actually exists are tax credits (for businesses/installers, not homeowners as of 2026), income-qualified programs, and lease/PPA arrangements that involve no upfront cost but aren’t free long-term. The Truth About “Free Solar” Offers What’s Advertised as Read more »
