Evaluate
HVAC, Plumbing & Electrical Decision Guides
Decision guides and cost frameworks for Seattle-area homeowners — weigh repair vs. replacement, compare options, and know what to ask before you book.
These frameworks are built for doing it right, not doing it cheapest — most of these decisions replace a system that protects your home, and the lower bills should be the proof, not the pitch.
How to use this hub
1. Learn
Start with our guides to understand the issue in plain language.
2. Evaluate
Compare options, tradeoffs, and cost drivers before requesting service.
3. Act
Book with context and ask sharper questions during your estimate.
HVAC Decision Guides — Repair, Replace & Costs
View all →How much does an HVAC system cost?
Read guide →Ducted heat pump vs ductless mini-split: which fits your home?
If your home already has sound ductwork, a ducted heat pump is usually the simplest, lowest-cost path to whole-home heat…
Read guide →Heat Pump vs Gas Furnace for Puget Sound Homes
For most Puget Sound homes replacing heating equipment today, a cold-climate heat pump wins: our mild marine winters are…
Read guide →Ductless Mini-Split vs Central AC in Seattle
Choose ductless when you lack ducts, need room-by-room control, or you're cooling an addition or a few problem rooms; ch…
Read guide →Furnace Repair vs Replacement Decision Guide
Repair when the furnace is under about 12 years old, the fix is a single component well under a third of replacement cos…
Read guide →Repair or Replace? A Decision Framework for HVAC, Water Heaters & Panels
Repair when the equipment is young, the fix is small relative to replacement, and the failure is isolated. Replace when …
Read guide →AC Replacement Decision Guide
Replacing the AC alone makes sense when your furnace is young and sound — match the new condenser's SEER2 tier to your b…
Read guide →Heat Pump Sizing and Manual J Guide
Manual J is the ACCA-standard load calculation that sizes HVAC equipment to your home's actual heat loss and gain — insu…
Read guide →Local vs National Home Services Companies: What Actually Changes?
The truck and the website look similar — what differs is who the business answers to. A local, family-scale company answ…
Read guide →How to Get a Fair Second Opinion (and What a Good One Looks Like)
A fair second opinion re-diagnoses the problem instead of just re-pricing the first company's conclusion — and it shows …
Read guide →Plumbing Decision Guides — Repair vs. Replace
View all →How much does a hot water heater cost?
Read guide →Heat pump vs tankless vs tank water heater: how to choose
A heat-pump (hybrid) water heater is the most efficient option and earns the largest Washington rebates, but it needs sp…
Read guide →Repipe vs Spot Repair Decision Guide
Spot repair fits an isolated leak on otherwise sound pipe — one failure, good material, accessible location. Repipe when…
Read guide →Tankless vs Tank Water Heater for Puget Sound Homes
A standard tank is the cheapest, fastest replacement — the right call for many straight swaps. A tankless heater costs m…
Read guide →Tank vs Heat Pump Water Heater: Which Should a Washington Home Buy?
If your water heater sits in a garage, basement, or utility room, a heat pump water heater is usually the better buy in …
Read guide →Sewer Line Repair vs Replacement
Spot repair or a cured-in-place liner works for localized damage on otherwise sound pipe — a root intrusion at one joint…
Read guide →Slab Leak Detection: Cost and Process
Slab leak detection is a locate-first process: Eco isolates and pressure-tests your lines, then uses acoustic listening …
Read guide →Water Heater Repair vs Replacement
Repair thermostats, elements, igniters, or valves on a tank under 8–10 years old — most of those fixes run $200–$800 and…
Read guide →Sump Pump and Backup Options for Washington Basements
A primary sump pump handles routine groundwater — and in the Puget Sound, that's most of the wet season. The backup ques…
Read guide →Electrical Decision Guides — Panels, EV & Backup
View all →How much does an electrical panel cost?
Read guide →Standby generator vs battery backup vs portable: backup power compared
A standby generator powers your whole home automatically and runs for days on natural gas or propane — best for frequent…
Read guide →Panel Upgrade Decision Guide
Upgrade from 100A to 200A when an NEC load calculation shows your planned loads exceed safe capacity — most commonly whe…
Read guide →SPAN Smart Panel vs Traditional Electrical Panel: Which Upgrade Fits?
A traditional 200A panel upgrade buys raw capacity — more amps, more breaker spaces, done. A SPAN smart panel buys intel…
Read guide →EV Charger Installation Guide for the Puget Sound
A proper Level 2 home charger install is an electrical project, not an accessory purchase: load calculation first, then …
Read guide →Home Generator Sizing Guide for Washington
Size a standby generator from your critical load list — heat, refrigeration, sump pump, lights, well pump, medical equip…
Read guide →Knob-and-Tube Replacement Planning
Knob-and-tube replacement is a planning project, not an emergency — but it has hard deadlines: before insurance renewal …
Read guide →Rewiring an Older Puget Sound Home: Cost Factors
Rewiring cost is driven by five factors: home size and stories, access (open crawlspace and attic vs finished walls), wh…
Read guide →Whole-Home LED Lighting Upgrade Guide
A whole-home LED conversion cuts lighting energy use by up to 75% versus incandescent and halogen — the evaluation is re…
Read guide →Should You Hire From Thumbtack or Craigslist for Electrical Work?
For genuinely small, non-regulated jobs, a marketplace handyman can be a fine, economical choice. For permit-required el…
Read guide →Also see
Why homeowners trust these guides
- We answer the questions homeowners actually ask — in plain English.
- Accurate, real-world advice on HVAC, plumbing, and electrical work.
- Written for Puget Sound homes — our weather, utilities, and older houses.
- Kept up to date, with clear next steps when you're ready to act.