# MLD Services > MLD Services ("MLD HVAC") is Leander, Texas's longest-serving, owner-led heating and cooling team — operating since 2009. We provide education-first, repair-before-replace residential and light-commercial HVAC with transparent flat-rate pricing and a no-pressure Free Second Opinion. Factory-Authorized York dealer; NATE- & EPA-certified; license TACLA37761C. Serving a core corridor of Leander, Cedar Park, Georgetown, Liberty Hill, and Round Rock, plus 25+ surrounding Central Texas communities (full list: https://mldhvac.com/service-areas). Phone: 512-528-4258. Hours: Mon–Fri 8 AM–5 PM, same-day and after-hours repair available (not 24/7). ## Start Here - [Home](https://mldhvac.com/): Heating, cooling, and indoor air quality for the Leander corridor since 2009. - [About MLD Services](https://mldhvac.com/about): Owner Mike Dodge, the meaning of MLD (Mechanical, Logistics, and Design), and our repair-first philosophy. - [Contact / Request Service](https://mldhvac.com/contact): Book a visit. Same-day appointments often available. - [Free Second Opinion](https://mldhvac.com/free-second-opinion): Send us another company's repair or replacement quote — we'll review it line by line, free, with zero pressure. ## Services & Areas - [All Services](https://mldhvac.com/services): Heating & cooling, indoor air quality, light-commercial, and maintenance. - [Service Areas](https://mldhvac.com/service-areas): Core corridor — Leander, Cedar Park, Georgetown, Liberty Hill, and Round Rock — plus 25+ surrounding Central Texas communities with dedicated pages. - [Maintenance Plans](https://mldhvac.com/plans): Seasonal tune-ups that protect efficiency and warranties. - [Financing](https://mldhvac.com/financing): Options to spread the cost of a new system into monthly payments. - [Pricing](https://mldhvac.com/pricing): Transparent flat-rate pricing philosophy for repair and replacement. ## Learning Center — Honest HVAC Guides Education-first, no-pressure answers for Central Texas homeowners. Browse the full hub and glossary; key guides below span every topic cluster. - [Learning Center Hub](https://mldhvac.com/learning-center): Every guide, grouped by topic — no sales pitch. - [HVAC Glossary](https://mldhvac.com/learning-center/glossary): Plain-language definitions of HVAC terms. ### Repair, Replace & Buying - [Repair or Replace Your AC?](https://mldhvac.com/learning-center/repair-or-replace-ac): The honest math — the age test, the 50% rule, and the refrigerant factor. - [How Much Does a New AC Cost in Central Texas? (2026)](https://mldhvac.com/learning-center/new-ac-cost-central-texas): Real 2026 price ranges and what moves the number. - [Heat Pump vs. AC + Furnace](https://mldhvac.com/learning-center/heat-pump-vs-ac-furnace): A side-by-side comparison for Central Texas homes. - [What Size HVAC Do I Need?](https://mldhvac.com/learning-center/what-size-hvac-do-i-need): Tonnage, Manual J load calc, and why bigger isn't better. - [What an Honest HVAC Quote Should Include](https://mldhvac.com/learning-center/what-an-honest-quote-includes): A checklist for reading any quote, plus the red flags. - [Why AI Can't Price Your HVAC](https://mldhvac.com/learning-center/why-ai-cant-price-hvac): Why online and AI estimates miss — and what a real in-home load calc sees. ### Cost Guides & Savings - [Furnace Replacement Cost](https://mldhvac.com/learning-center/furnace-replacement-cost): 2026 planning ranges to replace a gas furnace here. - [Heat Pump Cost](https://mldhvac.com/learning-center/heat-pump-cost-central-texas): 2026 planning ranges and how running cost compares to gas heat. - [Mini-Split Installation Cost](https://mldhvac.com/learning-center/mini-split-installation-cost): Single-zone vs. multi-zone planning ranges. - [HVAC Rebates, Tax Credits & Savings](https://mldhvac.com/learning-center/hvac-rebates-tax-credits): Federal credits, manufacturer rebates, and local utility programs. ### Comfort, Air Quality & Bills - [Why Your AC Isn't Cooling](https://mldhvac.com/learning-center/ac-not-cooling-troubleshooting): Safe troubleshooting steps and when to call a pro. - [Why Your Summer Electric Bill Is So High](https://mldhvac.com/learning-center/why-summer-bill-is-high): Real causes and fixes ranked by payback. - [Is the REME HALO Worth It?](https://mldhvac.com/learning-center/reme-halo-worth-it): An honest take on whole-home air purifiers. - [Indoor Air Quality 101](https://mldhvac.com/learning-center/indoor-air-quality-basics): Filtration, humidity, and ventilation — the fixes that matter most. - [Humidity Control in Central Texas](https://mldhvac.com/learning-center/humidity-control-central-texas): Why it feels sticky and how to fix it. ### Cooling & Heating Basics - [How Your Home AC Works](https://mldhvac.com/learning-center/how-your-ac-works): The refrigerant cycle in plain English. - [Common AC Problems Explained](https://mldhvac.com/learning-center/common-ac-problems): What the most common symptoms mean. - [Heat Pumps Explained](https://mldhvac.com/learning-center/heat-pumps-explained): How one system both heats and cools in mild Texas winters. - [Ductless Mini-Splits](https://mldhvac.com/learning-center/ductless-mini-splits): Heating and cooling the space your ducts can't reach. ### Maintenance & Seasonal Care - [What an AC Tune-Up Actually Includes](https://mldhvac.com/blog/understanding-ac-tune-ups-technical-breakdown): The full point-by-point tune-up checklist — and how to tell real maintenance from a sales call. (MLD blog) - [Why HVAC Maintenance Matters](https://mldhvac.com/learning-center/why-hvac-maintenance-matters): How regular service prevents breakdowns, protects your warranty, lowers bills, and adds years. - [Is a Maintenance Plan Worth It?](https://mldhvac.com/learning-center/is-a-maintenance-plan-worth-it): What a good plan includes, who genuinely benefits, and how to tell real value from a gimmick. - [Texas Summer HVAC Prep](https://mldhvac.com/learning-center/texas-summer-hvac-prep): A simple spring checklist to ready your AC before the first 100° day — DIY steps plus the pro list. - [Central Texas Winter Prep](https://mldhvac.com/learning-center/central-texas-winter-hvac-prep): Get your heat ready for cold snaps and hard freezes — protect the system, the pipes, and your morning. - [How Long Does an AC Last?](https://mldhvac.com/learning-center/how-long-does-an-ac-last): How many years to expect in the Texas heat, what shortens an AC's life, and the signs it's near the end. ### Codes, Permits & What's New - [Do You Need a Permit to Replace Your AC?](https://mldhvac.com/learning-center/hvac-permits-central-texas): Permit basics across the five-city corridor (pillar guide). - [R-454B & the 2025 Refrigerant Change](https://mldhvac.com/learning-center/r-454b-refrigerant-change): What it means for your system — no scare tactics. - [SEER2 Minimums Explained](https://mldhvac.com/learning-center/seer2-minimums-explained): What SEER2 means and the Texas efficiency minimums. ### For Business Owners - [Light-Commercial HVAC in Central Texas](https://mldhvac.com/learning-center/light-commercial-hvac): What business owners should know about commercial systems. ### Plan, Compare & Get Help (Tools) - [New-System Project Planner](https://mldhvac.com/learning-center/project-planner): Size it, price it, and decide repair vs. replace in three steps. - [Free HVAC System Checkup](https://mldhvac.com/learning-center/free-hvac-system-checkup): Answer two questions and get the likely cause and next step. - [Evaluate & Compare Options](https://mldhvac.com/learning-center/evaluate-and-compare): Every comparison guide in one place, plus the decision tool. - [Emergency & After-Hours Help](https://mldhvac.com/learning-center/emergency-after-hours-help): Safe self-checks and after-hours repair. ## Company & More - [Our Team](https://mldhvac.com/team): Meet owner Mike Dodge and the MLD crew — licensed, education-first technicians. - [FAQs](https://mldhvac.com/faqs): Quick answers on diagnostics, timelines, financing, and permits. - [Reviews](https://mldhvac.com/review): What Leander-area homeowners say about MLD Services. - [Blog](https://mldhvac.com/blog): Seasonal tips and HVAC news for Central Texas homeowners. - [Promotions / Specials](https://mldhvac.com/promotions): Standing, no-gimmick offers — including the Free Second Opinion. - [Careers](https://mldhvac.com/careers): Hiring honest, skilled HVAC pros in the Leander area — current openings and how to apply. - [Referral Program](https://mldhvac.com/referral): Earn $500 when a referred friend purchases a new HVAC system. - [Community](https://mldhvac.com/community): How MLD Services shows up for Leander and Central Texas. ## Legal - [Privacy Policy](https://mldhvac.com/privacy): How MLD Services collects, uses, and protects your information; we do not sell or share personal information. - [Terms & Conditions](https://mldhvac.com/terms): The terms governing use of the site, including non-binding estimates and dispute resolution. - [Accessibility Statement](https://mldhvac.com/accessibility): Our WCAG 2.2 Level AA / ADA commitment and how to report a barrier. --- Machine-readable maps: [/sitemap.xml](https://mldhvac.com/sitemap.xml) (crawlers) · [/llms-full.txt](https://mldhvac.com/llms-full.txt) (full page content for AI ingestion) · [Sitemap (HTML)](https://mldhvac.com/sitemap) ## Products & Commercial - [Products](https://mldhvac.com/products): YORK® equipment, REME HALO®, and accessories. - [YORK®](https://mldhvac.com/products/york): Factory-authorized YORK® heating and cooling. - [REME HALO®](https://mldhvac.com/products/reme-halo): Whole-home in-duct air purification. - [Commercial HVAC](https://mldhvac.com/commercial): Cooling, heating, maintenance, and refrigeration for businesses. - [New Construction](https://mldhvac.com/new-construction): Residential and commercial HVAC for new builds. - [Blog / News](https://mldhvac.com/blog): 80 imported HVAC tips and seasonal guides — full text in llms-full.txt. ## Machine-readable - [llms-full.txt](https://mldhvac.com/llms-full.txt): Expanded AI-oriented site summary. - [HTML Sitemap](https://mldhvac.com/sitemap): Human-browseable index of all hubs and Learning Center guides. - [XML Sitemap](https://mldhvac.com/sitemap.xml): Search-engine URL inventory (generated at build).