Suffolk County, NY · Long Island
Long Island Roofing & Solar Knowledge Base
Practical, sourced answers to the questions Suffolk County homeowners type into search engines and AI assistants. Every article cites public sources (IRS, NREL, EnergySage, PSEG Long Island, NY State Code) — no invented numbers.
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Roofing
Cost, materials, leaks, and storm-damage know-how for Long Island roofs.
How much does a new roof cost on Long Island in 2026? →
Typical price ranges for an asphalt-shingle roof replacement in Suffolk County, with the line items that move the number.
What are the signs of a hidden roof leak before a stain shows up? →
Attic mildew, dark sheathing, rusty nail tips, granules in gutters, ice dams — early warnings before a ceiling stain.
Should I repair or replace my leaking skylight? →
Quick decision rules: when a $300 reflashing solves it, vs when a $1,500 Velux replacement is the right call.
What are the best roofing materials for the Long Island coast? →
ASCE 7-22 wind bands + salt corrosion: which roof systems actually survive 30 years on the LI coast.
Long Island storm-damage roof insurance claim checklist →
Step-by-step playbook after a LI nor'easter or named storm — including the Assignment-of-Benefits trap to avoid.
Solar
Removal-and-reinstall, performance, PSEG LI net-metering, and tax credits.
Can I remove and reinstall my own solar panels for a roof replacement? →
Why DIY solar removal almost always violates a lease, NEC 690, or PSEG LI interconnection — and what to do instead.
What does it cost to remove and reinstall solar panels for a roof on Long Island? →
Real Long Island price ranges for taking a 6–10 kW array down for a reroof and putting it back up under PSEG LI re-energization.
What should I do if my solar panels are underperforming? →
A 6-step PVWatts-based triage to figure out whether your array needs cleaning, pruning, or a service call.
Do I need critter guard for solar panels on Long Island? →
When wooded Suffolk lots make critter guard a near-mandatory $10–$15/linear-ft retrofit.
Do I need to clean my solar panels on the Long Island coast? →
When LI rain isn't enough — coastal salt + spring pollen patterns that drive a 1–2 year cleaning cycle.
How does PSEG Long Island net metering and interconnection work? →
How PSEG LI's 1:1 retail-rate NEM tariff works, what the interconnection paperwork looks like, and why batteries add weeks.
Batteries & backup
Tesla Powerwall, Enphase, FranklinWH — the batteries Long Islanders are actually putting in.
How long does a Tesla Powerwall installation take in Suffolk County? →
Day-of install timing vs Suffolk permit + PSEG LI storage interconnection — what really sets the schedule.
Tesla Powerwall vs FranklinWH vs Enphase IQ Battery — which fits a Long Island home? →
Side-by-side of the three batteries actually being installed on Long Island today, by capacity, coupling, and warranty.
Electrical
Suffolk County permits, master-electrician licensing, and PSEG LI service.
Hiring & contracts
How to verify a contractor, read a contract, and avoid storm-chasers on Long Island.